Installation/Operation with Service Replacement Parts E-series Rack Conveyor Dishwashers (with swing-out doors) Single Tank Dual Rinse 44" Model 44DR Single Tank Dual Rinse 44" with 22" Prewash Model 66DRPW Models Single Tank Dual Rinse Two Tank 44DR 66DRPW 70DRFFPW 80DRHDPW 64 86PW 90FFPW 100HDPW 54DR 76DRPW 80DRFFPW 90DRHDPW 84 106PW 110FFPW 120HDPW Two Tank 64" Wash and Power Rinse Model 64 Dishwasher Serial No. Issue Date: 9.10.13 www.championindustries.
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Revision History Revision History A revision might be a part number change, new instructions, or information that was not available at print time. We reserve the right to make changes to this manual without notice and without incurring any liability by making the changes. Dishwasher owners may request a revised manual, at no charge, by calling 1 (800) 858-4477 in the USA or 1 (800) 263-5798 in Canada. Revision Date 9.11.
Limited Warranty LIMITED WARRANTY Champion Industries Inc. (herein referred to as Champion), 3765 Champion Blvd., Winston-Salem, North Carolina 27105, and P.O. Box 301, 2674 N. Service Road, Jordan Station, Canada, L0R 1S0, warrants machines, and parts, as set out below.
Table of Contents Table of Contents E-series Rack Conveyor Dishwashers Revision HIstory............................................................................................................................ i Limited Warranty.......................................................................................................................... ii Model Descriptions.......................................................................................................................
Model Descriptions Model Descriptions Champion's single tank and two tank rack conveyor dishwashers are fully automatic. Standard equipment includes 1HP prewash, 2HP wash and 2HP power rinse pumps. The conveyor drive is a 1/6 HP motor. All models are available in right-to-left (R-L) or left-to-right (L-R) direction. Model Numbers Single Tank - Basic (dual rinse)....................................... Single Tank with 22" Prewash (dual rinse)........................ Single Tank with 36" Prewash.............
Installation Installation Codes The installation of the dishwasher must comply with all local electrical, plumbing, health and safety codes or in the absence of local codes, installed in accordance with the applicable requirements in the National Electrical Code, ANSI/NFPA 70 (latest edition), CAN/CSA B149.1 and the Canadian Electrical Code (CEC), Part 1, CSA C22.1 (latest edition); and the Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations, NFPA 96.
Installation Table Connections 1. Dish tables must be fitted to the dishwasher and their flanges sealed with silicon sealant to prevent leaks. 2. Install the dishwasher in its final location making sure it is level. Standard table height is 34"/864mm so the dishwasher flange should be set to this approximate height. 3. Adjust the table heights on the load and unload ends of the machine. 4. The unload (clean end) table should slope toward the dishwasher so water will drain back into the machine. 5.
Installation Utilities Hot Water Connections NOTE: Only qualified personnel should make dishwasher plumbing connections. Connections must meet local plumbing and sanitary codes. Improper installation is not covered be the dishwasher warranty. Hot Water Requirements: 1. A water hardness of 3 grains/gal (US) [51.3 mg/L] or less is recommended. 2. Connect a 3/4" NPT hot water supply line to the line strainer located at the top rear of the dishwasher. 3.
Installation Drain Connections 1. The 1-1/2" drain line was removed and packed inside the dishwasher prior to shipping. Install the drain line once the dishwasher has been placed in its final location. 2. Connect the 1-1/2" NPT drain line to above a drain sink or to a 1-1/2" or larger drain line connection. 3. Observe all local plumbing and sanitary codes when installing. Steam Supply and Condensate Connections 1. The size of the steam supply line must be a 2" NPT line. 2.
Installation Electrical Connections WARNING: Electrocution or serious injury may result when working on an energized circuit. Disconnect power at the main breaker or service disconnect switch before working on the circuit. Lock-out and tag the breaker to indicate that work is being performed on the circuit.
Installation Electrical Connections (continued) Motor Rotation 1. Motor rotation was set at the factory. 2. The conveyor drive motor rotation is indicated by a red arrow located on the side of the motor. 3. Check if all motors are running in the wrong direction. Reverse the L1 and L2 wires on the output side of the dishwasher Main Terminal Block (MTB) located inside the topmounted control cabinet. 4. The photograph to the right shows the conveyor drive motor with its direction arrow. 5.
Installation 1. Use a qualified detergent/chemical supplier for detergent/chemical and dispensing equipment needs. Chemical Connections 2. Labeled detergent control circuit connection terminals are provided in the control cabinet for detergent and rinse agent/sanitizer dispensing equipment (supplied by others). 3. The illustration on the right, shows the terminal board for the machine. SIGNAL ONLY VENT FAN 120V 4. The signal connection points include: • Detergent signal 120VAC, 1A max load.
Installation Curtain Locations 1. Refer to the illustrations below and hang the curtains as shown. J-hooks are located in the corners of each section to accept the curtain rods. • • • • • Standard long curtains High hood long curtains Standard medium curtains and DR High hood short curtains Final rinse curtain 24” 24” 24” 24” 24” x x x x x 20-1/4” 22-3/4” 13-1/4” 20-1/4” 6-1/4” 2. Make sure the that the short flaps of the curtains face the load end of the dishwasher.
Installation Hot Water Coil Tank Heat Purging Air from the Dishwasher/Booster Heater System CAUTION: PERMANENT DAMAGE to the hot water recirculating pump can occur if the air is not purged from the dishwasher/booster heater system prior to placing the dishwasher into service. Follow the instructions carefully to prevent damage to the dishwasher hot water recirculating pump. The air trapped in the Dishwasher Hot Water Recirculating Pump and Water Lines must be purged.
Installation Hot Water Coil Tank Heat Purging Air from the Dishwasher/Booster Heater System (continued) Refer to the illustration on the previous page and follow the procedure below to purge the air from the system. Plumbing and electrical service connections must be completed before purging the system. To purge the air: 1. Make sure the dishwasher main power switch is OFF. 2. Make sure the main water supply valve located at the booster heater is OFF. 3.
Installation Door Safety Switches Dishwasher access doors are equipped with a door safety switch that automatically stops the dishwasher pumps and conveyor drive if a door is raised while the dishwasher is running. In addition, the dishwasher will not start if a door is left open. 1. If the dishwasher is running and a door is raised, then lighted GREEN START pushbutton goes out and the pumps and conveyor drive stop. 2. Check the interior of the dishwasher for any dish racks still in the machine.
Installation Removing the Spray arm End Plugs Installing the Lower Spray arm Assembly 12
Installation Installing the Upper Spray arm Assembly Removing the Spray arm End Plugs 13
Installation Removing the Dual Rinse (DR) scrap screens Refer to the illustrations on this and the next page to remove and install the Dual Rinse (DR) scrap screens and rinse arm.
Installation Installing the Dual Rinse (DR) scrap screens 15
Initial Start-Up Check list 1. Remove white protective film from the dishwasher exterior. 2. Install lower panels to the dishwasher. 3. Remove any foreign material from inside of the machine. 4. Check the chemical supplies (supplied by others) are full. 5. Check to ensure the dishwasher drains are closed. 6. Install scrap screens, baskets and spray arms. 7. Turn main utilities to the dishwasher ON. (Power, water, steam if applicable). 8. Make sure doors are closed. 9. Turn dishwasher power switch ON.
Operation Operation 1. Check that the spray pipes, curtains, and scrap screens are in place and clean. 2. Check that the overflow drains are closed. 3. Check the chemical supplies (supplied by others). Turn on the detergent dispenser switches. 4. 5. Turn on the exhaust vent system (if applicable), and make sure it is operating. Close the door(s). Push the power switch ON.. Machine will begin to fill via the fill valve and the final rinse piping. 6.
Operation Door Safety Switches Dishwasher access doors are equipped with a door safety switch that automatically stops the dishwasher pumps and conveyor drive if a door is opened while the dishwasher is running. In addition, the dishwasher will not start if a door is left open. 1. If the dishwasher is running and a door is opened, the GREEN cycle light remains illuminated and the pumps and conveyor drive stop. 2.
Operation (Optional) Table Limit Switch A recommended option for any rack conveyor dishwasher is a table limit switch. The limit switch is installed at the end of the clean-end table and is designed to stop the conveyor and pumps in the event that dish racks back up on the clean-end table. This feature prevents possible damage to the conveyor due to jamming. The operation of the table limit switch is described below. 1. 2. 3. 4.
Operation Scrap Screens 1. All models have scrap screens in the tanks. 2. Install two scrap screens in each wash tank making sure they fit securely without large gaps between them. 3. Install an internal refuse basket in each wash tank. 4. If equipped, install one large scrap screen and one external refuse basket in the prewash tank. 5. For machines equipped with a dual rinse section, install two scrap screens in the DR section.
Cleaning Cleaning Cleaning your dishwasher is the best maintenance you can perform. The cleaning intervals below are the minimum requirements for most dishwashers. You may need to clean your dishwasher more often when washing heavily soiled wares or during long hours of continuous operation. Daily or every 2 hours of operation 1. Turn power switch to OFF. 2. Open drain lever(s) to drain water. Remove scrap screens and scrap baskets. Clean inside of the tanks and flush with clean water.
Cleaning Cleaning (continued) At the End of the Day 1. Perform Steps 1-10 on the previous page. 2. Remove the upper and lower rinse and wash spray arms and end plugs and flush with fresh water. 3. Remove the Dual Rinse (DR) rinse arm assemblies and flush with fresh water. 4. Clean the final rinse arm nozzles using a small paper clip. 5. Remove the curtains and clean with fresh water. DO NOT USE STEEL WOOL TO CLEAN THE INTERIOR OF THE MACHINE. 6.
Maintenance Maintenance Weekly 1. Inspect all water lines for leaks and tighten at joints if required. 2. Clean any detergent residue from the exterior of the machine. 3. Check the drain operation. 4. Clean any accumulated scale from the heating element. 5. Inspect the spray arms for any damage or missing parts. 6. Inspect the final rinse arms for missing parts. 7. Inspect the drive assembly and cradle for damaged or missing parts. 8. Check that float switches move freely. 9.
Digital Display E-Rack Digital Temperature Display Meters ATTENTION: The Digital Temperature Displays only indicate temperature, they do not control wash tank or final rinse booster heaters. Electro-mechanical thermostats continue to control the tank and final rinse heat circuits. 1. The analog temperature gauges have been replaced with digital temperature display meters. 2.
Digital Display The set-point determines how the meter displays the yellow & green bar. For example, if the set-point is 70, then the bar displays yellow from 0-70 then green from 70 and above.
Digital Display Calibration: Calibration is an internal function of the display circuit board and does not calibrate temperature control of the dishwasher components. NOTE: The Thermister Plug and 1 wire from the Rinse Switch Connector must be disconnected from the display circuit board before calibration. To calibrate the display board: 1. Turn dishwasher Power Switch OFF. 2. Disconnect the thermister plug and at least 1 wire from the rinse switch connector. 3. Turn Power Switch ON. 4.
Digital Display Display Codes and Definitions The illustrations below show the codes that may appear in the temperature meter displays.
Troubleshooting Troubleshooting Before calling for service check the following conditions. 1. Dishwasher main power and water supply is on. 2. Machine has been assembled correctly. 3. Conveyor is clear of any obstructions. 4. Drains are closed. 5. Screens and pump intake screens are clear. 6. Doors are closed and secure. Condition Dishwasher will not run. 28 Cause Door not closed. Main power OFF. Dishwasher OFF. Wash tanks not full Solution Close door completely. Check breaker on panel.
Service Replacement Parts Illustration............................................................................................ Page Front View of Control Panel................................................................................... 31 Control Cabinet Interior View for Single Tank Models with Dual Rinse......................... 32 Control Cabinet Interior View for Two Tank Models.................................................. 36 Prewash Panels and Curtains.............................
Service Replacement Parts (continued) Illustration............................................................................................ Page Single and Two Tank Electric Booster Assembly 40°F/70°F....................................... 96 Single Tank Booster Heaters 40°F/70°F.................................................................. 98 Two Tank Booster Booster Heaters 40°F/70°F..........................................................
Front View of Control Cabinet (All Models) 2 10 Models: E44DR, E54DR 1 3 WASH 4 5 3 4 2 PREWASH 6 3 2 9 11 10 WASH 4 7 9 10 9 WASH 11 FINAL RINSE L-R and R-L Machine Direction Shown Models: E64, E84 1 FINAL RINSE L-R and R-L Machine Direction Shown 2 Models: E66DRPW, E76DRPW, E70DRFFPW, E80DRFFPW, E80DRHDPW, E90DRHDPW 11 10 1 11 9 10 11 9 RINSE FINAL RINSE L-R Machine Direction Shown Models: E86PW, E106PW, E90FFPW, E110FFPW, E100HDPW, E120HDPW 9 10 11 9 10 11 3 1
Control Cabinet Interior View for Single Tank Models with Dual Rinse HEAT HEAT 23 BC 23 23 22 WC 5 5 21 6 21 7 20 21 Note: Control Cabinet Cover P/N 334879 not shown. 1CR 2M 15 14 11 13 10 3M 12 16 9 DC 1M 16 18 25 18 16 26 18 16 27 3MOL 2MOL 1MOL 1 29 3 2 28 8 19 4 6M 17 24 8 11 BC HEAT 5 7CR This illustration shows a control cabinet with all options.
Control Cabinet Interior View for Single Tank Models with Dual Rinse Item No. Part No. Description Qty. COMMON ELECTRICAL PARTS (Not Voltage Specific) 1 114756 Circuit Board, Control 1 --- 114759 Support, Circuit Board 4 2 115147 Block, Terminal 10-Pole 1 --- 115345 Jumper, Slotted 1 3 115158 Label (TLS, Machine Run, etc.
Control Cabinet Interior View for Single Tank Models with Dual Rinse Item No. Part No. Description Qty. VOLTAGE SPECIFIC PARTS: 200-220V/60/3 24 111822 Fuse, Line 120VAC, 5A 600V LPCC-5 2 25 111624 Overload, Motor (Drive) 0.63-1.0A 1 26 111628 Overload, Motor (Prewash) 4.0-6.3A 1 27 111629 Overload, Motor (Wash) 6.0-10.
Control Cabinet Interior View for Single Tank Models with Dual Rinse Item No. Part No. Description Qty. VOLTAGE SPECIFIC PARTS: 460-480V/60/3 24 111821 Fuse, Line 120VAC, 5A 600V LPCC-3 2 25 111624 Overload, Motor (Drive) 0.63-1.0A 1 26 111626 Overload, Motor (Prewash) 1.6-2.4A 1 27 111627 Overload, Motor (Wash) 2.5-4.
Control Cabinet Interior View for Two Tank Models HEAT HEAT 12 21 RC 21 21 20 WC 5 5 19 6 19 7 18 19 Note: Control Cabinet Cover P/N 334879 not shown. 14 13 11 3M 1M 2M 2 15 16 22 16 15 23 16 15 24 26 25 16 15 4 4M 9 8 10 1CR RINSE WASH 3MOL PREWASH 2MOL DRIVE 1MOL 28 17 1 27 3 4MOL This illustration shows a control cabinet with all options. Your control cabinet may not have the prewash components nor the additional parts required for the 22KW booster.
Control Cabinet Interior View for Two Tank Models Item No. Part No. Description Qty. COMMON ELECTRICAL PARTS (Not Voltage Specific) 1 114756 Circuit Board, Control 1 --- 114759 Support, Circuit Board 4 2 115147 Block, Terminal 10-Pole 1 --- 115345 Jumper, Slotted 1 3 115158 Label (TLS, Machine Run, etc.
Control Cabinet Interior View for Two Tank Models Item No. Part No. Description Qty. VOLTAGE SPECIFIC PARTS: 200-220V/60/3 22 111624 Overload, Motor (Drive) 0.63-1.0A 1 23 111628 Overload, Motor (Prewash) 4.0-6.3A 1 24 111629 Overload, Motor (Wash) 6.0-10.0A 1 25 111629 Overload, Motor (Rinse) 1 27 109064 Transformer, 250VA 1 28 112482 Fuse, 600V LPCC-3.
Control Cabinet Interior View for Two Tank Models Item No. Part No. Description Qty. VOLTAGE SPECIFIC PARTS: 460-480V/60/3 22 111623 Overload, Motor (Drive) 0.4-.063A 1 23 111626 Overload, Motor (Prewash) 1.6-2.4A 1 24 111627 Overload, Motor (Wash) 2.5-4.0A 1 25 111627 Overload, Motor (Rinse) 2.5-4.0A 1 27 109064 Transformer, 250VA 1 28 112484 Fuse, 600V LPCC-1.
Solid State Control Board Cable Assemblies 3 Pause Power H1 Stop Start H3 Table Limit H5 1 Jam Switch 5 Rack Switch Final Rinse Wash Flt U Final Rinse Wash Flt L Prewash Flt U Prewash Flt L DR Level Rinse Flt U Rinse Flt L Run Light H2 2 Wash Fill Prewash Fill Rinse Aid Solid State Circuit Bd. P/N 114756 Pumps Booster Heat 7 H4 4 H6 6 H7 Item No. Part No.
Blank Page This Page Intentionally Left Blank 41
Prewash Panels and Curtains 1 2 (L-R Direction Shown) 14 3 4 3 5 6 13 12 3 10 3 7 42 8 9 11
Prewash Panels and Curtains Item No. Part No. Description Qty. 1 113828 Rod Curtain 5/16 x 21-1/2" 2 2 113720 Curtain 24 x 20-1/4" 2 3 100073 Screw 1/4-20 x 1/2 Truss Head 8 4 328006 Support, 22" PW Rear Screen 1 5 329926 Baffle, Table Flange 1 6 328030 Table Flange Support 1 7 329351 Panel, 25" End Standard 1 8 108418 Plug, 1/2" 2 9 109034 Gasket 2 10 108417 Nut 2 11 335223 Panel Assy.
Single Tank Panels and Curtains Final Rinse Curtain 5 (L-R Direction Shown) 1 6 3 End Curtain DR Curtain 1 2 End Curtain 4 2 8 7 9 17 15 8 12 13 9 10 11 44 16 14
Single Tank Panels and Curtains Item No. Part No. Description Qty.
Two Tank Panels and Curtains 1 3 1 2 4 5 3 2 5 16 6 7 15 8 9 10 11 12 15 13 14 46
Two Tank Panels and Curtains Item No. Part No. Description Qty.
Drive Motor Assembly 3 1 15 16 7 2 4 13 5 13 17 11 7 11 18 9 12 6 8 10 14 48
Drive Motor Assembly Item No. Part No. Description Qty. 1 0509199 Drive Motor Switch 1 2 327918 Bracket, Motor Switch Mounting 1 3 See Sheave and V-Belt Chart Below 4 327916 Plate, Drive Motor Mounting 1 5 327920 Plate, 44 Motor Assy Mounting 1 5 327917 Plate, 64 Motor Assy Mounting 1 6 327919 Bracket, Motor Spring Mounting 1 7 106482 Washer Lock 1/4 Split SST 4 8 102376 Washer, Flat 5/16 x 3/4 x .06 SST 2 9 113702 Spring 0.6OD x 0.095 Wire x 1.
Conveyor Drive Assembly 26 10 1 11 2 3 12 4 13 5 19 6 7 8 9 18 Tank Bottom 21 14 20 22 15 23 19 16 24 20 21 17 24 25 50
Conveyor Drive Assembly Item No. Part No. Description Qty. 1 202381 Roller Crosshead 1 2 100868 Roller Stud Crosshead 1 3 107089 Nut Jam 1/2-13 1 4 206300 Crank, Rack Arm 1 5 206301 Shaft 5/8" O.D. x 9" LG.
Prewash Track & Cradle Assembly 12 19 13 14 11 14 10 8 9 19 7 20 6 4 2 17 15 3 18 23 16 22 Tank 17 5 17 18 20 1 19 21 52 23 18
Prewash Track & Cradle Assembly Item No. Part No. Description Qty.
SingleTank Track & Cradle Assembly 16 13 12 11 17 14 22 15 24 15 23 9 18 22 10 6 7 3 21 20 8 2 6 7 3 4 5 54 8 1 19 17 4 5 1
Single Tank Track & Cradle Assembly Item No. Part No. Description Qty. 1 113719 Switch, Reed Aleph 1 2 327969 Idle Pump Switch Weldment 1 3 113937 Magnet, SS 1 4 100764 Screw, 6-32 x 1/2 Round Head SST 2 5 108954 Nut, Grip 6-32 Hex Head W/Nylon Insert 2 6 106482 Washer Lock 1/4 Split 2 7 327833 Pin Idle Pump Switch 1 8 100736 Screw, 1/4-20 x 3/4 Hex Head 2 9 414370 Track, E44 Front 1 10 414307 Cradle, E44 1 11 113692 Screw, 3/8 x .
Two Tank Track & Cradle Assembly 13 12 18 17 21 11 15 14 18 21 23 10 16 22 17 21 10 16 18 9 21 20 5 4 6 7 2 3 1 56 20 1 18 19 2 8
Two Tank Track & Cradle Assembly Item No. Part No. Description Qty.
Prewash Scrap Screens 2 1 58
Prewash Scrap Screens Item No. Part No. Description Qty. 1 328958 Screen.
Single Tank Scrap Screens Tank 3 2 1 Tank 4 5 5 60
Single Tank Scrap Screens Item No. Part No. Description Qty.
Two Tank Scrap Screens 3 3 2 4 2 5 1 5 1 4 5 5 62
Two Tank Scrap Screens Item No. Part No. Description Qty.
Prewash Wash Spray Arms 17 16 6 15 18 14 8 4 13 5 2 12 11 10 9 Rear Wall of Hood 3 12 7 3 5 12 9 4 2 1 19 64
Prewash Wash Spray Arms Item No. Part No. Description Qty. 1 414569 Wash Manifold Assembly 6” Lower (E22" and E36") 1 2 113723 O-Ring,1.75 ID 1 3 113738 Block, Washarm Retaining 4 4 113540 Locknut 2NPT SST 2 5 113741 Gasket, Flat EDPM 2-3/8 ID 2 6 328028 Standpipe, 22” PW 1 7 414568 Wash Manifold Assy 6” Upper E22" 1 --- 414567 Wash Manifold Assy.
Single Tank Wash Spray Arms 14 13 10 6 18 2 11 5 4 12 Rear Wall of Hood 17 16 15 7 16 3 16 2 9 8 5 1 3 4 9 66 8
Single Tank Wash Spray Arms Item No. Part No. Description Qty.
Two Tank Wash & Power Rinse Spray Arms 14 12 19 11 18 17 8 15 1 14 16 12 2 11 13 4 7 Rear Wall of Hood 2 1 11 3 1 4 Rear Wall of Hood 11 4 3 3 9 2 11 5 10 3 11 1 2 9 4 10 5 9 10 9 10 68 6 6
Two Tank Wash & Power Rinse Spray Arms Item No. Part No. Description Qty. 1 113741 Gasket, Flat EDPM 2-3/8 ID 4 2 113540 Locknut 2NPT SST 4 3 113738 Block, Washarm Retaining 2 4 113723 O-ring,1.75 ID 2 5 414289 Wash Manifold Assembly 14” Straight Upper (L-R) 2 --- 414288 Wash Manifold Assembly 14” Straight Upper (R-L) 2 --- 414565 Wash Manifold Assy. E84 (L-R) 2 --- 414564 Wash Manifold Assy.
Dual Rinse ((DR) Tank Assembly 22 DR Curtain 25 24 31 30 14 20 8 32 37 11 18 21 15 4 12 3 8 6 8 23 33 28 36 4 8 19 16 29 8 8 23 23 8 34 27 35 8 L-R Direction Shown 70 17 26
Dual Rinse ((DR) Tank Assembly Item No. Part No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 100003 100097 100156 100547 100735 104584 104882 105993 106026 106482 107290 107589 107966 108043 108620 108954 109069 111092 113604 113716 113795 114012 114021 114290 114291 114420 114435 115231 207231 329009 332170 332211 334900 0501836 0512299 0503588 115320 Description Qty.
Dual Rinse ((DR) Pump/Motor Assembly 6 1 4 2 * * 5 3 7 72
Dual Rinse ((DR) Pump/Motor Assembly Item No. Part No. Description Qty. 1 115231-1 Screw, Self-tapping Washer Head 6 2 115231-2 Cover, Polypropylene 1 3 115231-3 Nut, Acorn 1/4-20 SST 1 4 115231-4 Impeller, DR Pump SST 1 5 115231-5 Seal, Pump 3/8" Type 16 SST 1 6 115231-6 O-ring 1 7 115231 Pump Assy.
Prewash Pump Suction & Discharge 1 2 7 3 A 9 Discharge 5 5 4 6 L-R Application Shown 74 Suction
Prewash Pump Suction & Discharge Item No. Part No. Description Qty.
Wash & Power Rinse Pump Suction/Discharge 1 6 2 3 Tank 5 A 4 B 76
Wash & Power Rinse Pump Suction/Discharge Item No. Part No. Description Qty.
1 2 21 4 3 5 78 6 9 10 7 11 8 2 14 12 15 13 19 16 17 18 20 Pump/Motor Assembly
Pump/Motor Assembly Item No. Part No. Description Qty.
Float Switches Two Tank Single Tank Prewash 4 3 2 1 80
Float Switches Item No. Part No. Description Qty.
Single Tank Electric Wash Tank Heat 1 2 3 4 3 5 6 82
Single Tank Electric Wash Tank Heat Item No. 1 Part No. Description Qty. 113516 Heater 15/18KW 208V,380V 1 113517 Heater 15/16.3KW 230/240V, 400/415V 1 113518 Heater 15/16.
Two Tank Electric Wash Tand RInse Tank Heat 3 1 A Tank 2 2 84 Wash Rinse
Two Tank Electric Wash and Rinse Tank Heat Item No. 1 Part No. Description Qty. 113516 Heater 15/18KW 200/220V (Wash) 1 113517 Heater 15/16.3KW 230/240V(Wash) 1 113518 Heater 15/16.3KW 460/480V (Wash) 1 113519 Heater 15KW 575V (Wash) 1 2 108345 Gasket 3 x 3 x 1/8” 2” Hole 1 3 113804 Heater 10/12.
Thermostats and Thermistors Two Tank Single Tank 4 Control High Limit 5 3 6 7 2 1 86 Tank
Thermostats and Thermistors Item No. Part No. Description Qty.
Junction Box Thermistor Connection Block 1 1 2 Interwiring Connection Block 1 8 3 5 3 4 2 6 5 NOTE: Components and quantities vary per machine.
Junction Box Item No. Part No. Description Qty. 1 114521 End Cover, Single Terminal, D-MZB A/R 2 114520 Terminal, Single MZB, 1.5 NS35 A/R 3 114519 End Block, E/NS 35 N 2 4 114518 End Cover, Double Terminal STTB 2.5, A/R 4 114516 End Cover, Single Terminal D-ST 2.5 A/R 5 114515 Terminal, Single, Ground ST 2.5 (Green) A/R 6 114517 Terminal , Double STTB 2.5 A/R 7 114512 Terminal, Single ST 2.
Final Rinse Piping (All Models) 18 16 15 14 17 13 From Booster 12 11 8 20 19 10 7 9 Top of Hood 4 1 6 2 3 Manifold Dimension in Chart is center to center of upper and lower spray pipe.
Final Rinse Piping (All Models) Item No. Part No.
Fill Piping (All Models) 3 14 12 13 2 4 12 12 1 Flow 5 6 16 7 12 12 12 15 Flow 20 14 16 8 10 19 9 11 18 21 17 Hood Flow 92 22
Fill Piping (All Models) Item No. Part No. Description Qty.
Prewash Cold Water Tempering (CWT) Piping 7 8 1 14 9 5 12 4 3 6 6 11 15 17 18 10 PREWASH TANK 16 19 22 21 20 6 11 13 6 94 2
Prewash Cold Water Tempering (CWT) Piping Item No. Part No. Description Qty. 1 100209 Nipple, 1/2" NPT Close, Brass 1 2 100573 Locknut, 1/2" NPT Brass 2 3 100947 Nipple, 1/4" NPT Close Brass 1 4 101262 Nipple, 1/4" NPT x 1-1/2" Lg.
Single and Two Tank Electric Booster Assembly - 40°F/70°F Rise 4 1 A 5 2 B 10 6 3 9 11 7 8 ATTENTION: Install the highest Kw rated element in the top and the lowest rated element in the corner closest to Item 6 in the illustration above. Item 6 may be located on the opposite side of the booster.
Single and Two Tank Electric Booster Assembly - 40°F/70°F Rise Item No. Part No. Description Qty. 1, 2, 3 Refer to the booster diagrams on the next four pages.
Single Tank Electric Booster Heaters- 40°F/70°F Rise 1 3 12KW 208-240V/60/3 40° Rise Item Part Description Qty. No. No. 2 1 3 1 1 1 98 1 2 3 112232 107909 107909 10 KW Heater 6/8 KW Heater 6/8 KW Heater 1 1 1 1 2 3 114030 114030 109458 6 KW Heater 6 KW Heater Blockoff Plate 1 1 1 1 2 3 111233 114030 114030 7.5/10 KW Heater 6 KW Heater 6 KW Heater 1 1 1 12KW 460-480V/60/3 40° Rise Item Part Description Qty. No. No.
Single Tank Electric Booster Heaters- 40°F/70°F Rise 1 3 12KW 575V/60/3 40° Rise Item Part Description Qty. No. No. 2 1 3 1 1 1 1 2 3 111383 114032 114032 10 KW Heater 6 KW Heater 6 KW Heater 1 1 1 1 2 3 111232 111232 111232 10 KW Heater 10 KW Heater 10 KW Heater 1 1 1 1 2 3 111233 111233 111233 7.5/10 KW Heater 7.5/10 KW Heater 7.5/10 KW Heater 1 1 1 30KW 460-480V/60/3 Heat Recovery Item Part Description Qty. No. No.
Two Tank Electric Booster Heaters- 40°F/70°F Rise 1 3 15KW 208-240V/60/3 40° Rise Item Part Description Qty. No. No. 2 1 3 1 1 100 1 1 1 1 2 3 112059 107909 107909 12 KW Heater 6/8 KW Heater 6/8 KW Heater 1 1 1 1 2 3 111236 111236 111236 5 KW Heater 5 KW Heater 5 KW Heater 1 1 1 24KW 230-240V/60/3 70° Rise Item Part Description Qty. No. No. 2 1 3 5/6.6 KW Heater 5/6.6 KW Heater 5/6.6 KW Heater 15KW 230-240V/60/3 40° Rise Item Part Description Qty. No. No.
Two Tank Electric Booster Heaters- 40°F/70°F Rise 1 3 24KW 460-480V/60/3 70° Rise Item Part Description Qty. No. No. 2 1 3 112060 112060 112060 12 KW Heater 12 KW Heater 12 KW Heater 1 1 1 15KW 575V/60/3 40° Rise Item Part Description Qty. No. No. 2 1 3 1 2 3 1 2 3 111384 111384 111384 5 KW Heater 5 KW Heater 5 KW Heater 1 1 1 24KW 575V/60/3 70° Rise Item Part Description Qty. No. No.
Two Tank & Heat Recovery Electric Booster Cabinet- 40°F/70°F Rise 2 3 3 HEAT HEAT 1 4 BC BC 7 9 5 10 10 10 8 8 8 6 COMMON ELECTRICAL PARTS (Not Voltage Specific) 1 103310 Lug, Ground 1 2 111833 Block, Input Terminal 175A 3-Pole (Not Shown) 1 3 111827 Contactor Heat 60 FLA 2 4 328421 Cabinet, Booster Control 1 5 328525 Cover, Cabinet, Booster Control 1 6 100073 Screw, 1/4-20 x 1/2" Truss Head 2 200-220V/60/3 (15KW Booster) 1 180171 Block, Fuse 600V 60A 3P J Type 1
Two Tank & Heat Recovery Electric Booster Cabinet - 40°F/70°F Rise Item No. Part No. Description Qty.
Two Tank Steam Heat with K2 Steam Booster 11 10 8 2 2 9 1 6 8 5 7 3 2 4 1 104 5
Two Tank Steam Heat with K2 Steam Booster Item No. Part No. Description Qty.
Single Tank Steam Heat 1 3 2 4 5 6 8 7 Tank 106
Single Tank Steam Heat Item No. Part No. Description Qty.
Two Tank Steam Heat 7 9 8 1 10 2 3 3 Tank 5 6 4 Tank 108
Two Tank Steam Heat Item No. Part No. Description Qty.
22" ,26" and 36" Prewash Drain Assemblies 5 1 4 15 4 4 3 4 3 8 13 5 8 1 16 2 5 4 3 8 4 8 6 4 5 1 7 11 12 4 5 7 2 9 14 10 L-R Direction Shown 110
22", 26" and 36" Prewash Drain Assemblies Item No. Part No. Description Qty. 1 100154 Hex, Plain Nut, 5/16-18 SST 12 2 100739 Bolt, Hex Hd. 5/16-18 x 3/4" SST 3 100740 Bolt, Hex Hd. 5/16-18 x 1" SST 12 4 102376 Washer, Flat 5/16 SST 30 5 106013 Washer, Lock 5/16 SST 18 6 106687 Nipple, RTOE 1-1/2" NPT x 2-1/2" Lg. Galv. (22" PW) 1 --- 115327 Nipple, RTOE 1-1/2" NPT x 4-1/2" Lg. Galv. (26" PW) 1 --- 203005 Nipple, RTOE 1-1/2" NPT x 15-1/2" Lg. Galv.
E44DR with & without Prewash Drain Assembly 13 12 With Prewash 24 w sflo 12 sh wa s Cro 25 Pre 28 26 27 9 13 18 26 7 21 3 5 4 10 10 9 7 Without Prewash 12 13 = Drain Sub-assembly P/N 602037 22 6 14 12 10 16 19 8 20 23 2 1 11 L-R Direction Shown 112 7 15 17 4
E44DR with & without Prewash Drain Assembly Item No. Part No. Description Qty. 1 100003 Hex, Plain Nut, 1/4-20 SST 1 2 106026 Washer, Flat 1/4" SST 1 3 100154 Hex, Plain Nut, 5/16-18 SST 4 4 100739 Bolt, Hex Hd. 5/16-18 x 3/4" SST 8 5 100740 Bolt, Hex Hd. 5/16-18 x 1" SST 4 6 101835 Nipple, 1-1/2" NPT x 2-3/4" Lg. Galv. 1 7 102376 Washer, Flat 5/16 SST 8 102543 Tee, 1-1/2" NPT x 1-1/2" NPT x 1" NPT Galv.
E54DR with & without Prewash Drain Assembly 13 12 With Prewash 24 ssfl 12 ro hC s wa Pre ow 25 28 26 27 9 13 18 26 7 21 3 5 4 10 10 9 7 Without Prewash 12 13 = Drain Sub-assembly P/N 602044 22 6 14 12 10 16 19 8 20 23 2 1 11 L-R Direction Shown 114 7 15 17 4
E54DR with & without Prewash Drain Assembly Item No. Part No. Description Qty. 1 100003 Hex, Plain Nut, 1/4-20 SST 1 2 106026 Washer, Flat 1/4" SST 1 3 100154 Hex, Plain Nut, 5/16-18 SST 4 4 100739 Bolt, Hex Hd. 5/16-18 x 3/4" SST 8 5 100740 Bolt, Hex Hd. 5/16-18 x 1" SST 4 6 101835 Nipple, 1-1/2" NPT x 2-3/4" Lg. Galv. 1 7 102376 Washer, Flat 5/16 SST 8 102543 Tee, 1-1/2" NPT x 1-1/2" NPT x 1" NPT Galv.
E64 with and without Prewash Drain Assembly 4 9 11 20 10 With Prewash 25 flow s sh wa s Cro Pre 24 8 11 4 6 10 1 9 1 21 26 10 18 10 8 6 11 14 23 3 9 2 5 9 6 8 5 11 16 8 17 22 = LH Drain Sub-assembly P/N 602039 19 12 15 13 L-R Direction Shown 116 7 3 12 13 = RH Drain Sub-assembly P/N 602038
E64 with and without Prewash Drain Assembly Item No. Part No. Description Qty. 1 100154 Hex, Plain Nut, 5/16-18 SST 8 2 100587 Plug, 1-1/2" NPT Sq. Head, Galv. 1 3 100739 Bolt, Hex Hd. 5/16-18 x 3/4" SST 12 4 100740 Bolt, Hex Hd. 5/16-18 x 1" SST 8 5 101845 Nipple, 1-1/2" NPT x 4-1/2" Lg. Galv. 2 6 102376 Washer, Flat 5/16 SST 7 102543 Tee, 1-1/2" NPT x 1-1/2" NPT x 1" NPT Galv.
E84 Drain Assembly 9 1 20 4 6 11 21 10 6 9 1 4 11 6 11 14 18 10 3 9 2 5 9 6 20 10 14 11 10 18 8 17 17 16 = LH Drain Sub-assembly P/N 602039 7 19 12 15 13 L-R Direction Shown 118 3 12 13 = RH Drain Sub-assembly P/N 602038 8 5 7
E84 Drain Assembly Item No. Part No. Description Qty. 1 100154 Hex, Plain Nut, 5/16-18 SST 8 2 100587 Plug, 1-1/2" NPT Sq. Head, Galv. 1 3 100739 Bolt, Hex Hd. 5/16-18 x 3/4" SST 12 4 100740 Bolt, Hex Hd. 5/16-18 x 1" SST 8 5 100043 Nipple, 1-1/2" NPT x Close. Galv. 2 6 102376 Washer, Flat 5/16 SST 7 102543 Tee, 1-1/2" NPT x 1-1/2" NPT x 1" NPT Galv.
E84 With Prewash Drain Assembly 4 11 10 6 24 10 ash w Pre 23 1 flow ss Cro 9 9 25 20 22 8 1 4 6 11 8 21 10 10 6 9 1 6 11 14 3 9 2 5 18 4 9 6 11 17 20 8 11 10 14 10 16 18 17 8 5 = LH Drain Sub-assembly P/N 602039 7 19 12 15 13 L-R Direction Shown 120 7 19 12 = RH Drain Sub-assembly 13 P/N 602038 3
E84 with Prewash Drain Assembly Item No. Part No. Description Qty. 1 100154 Hex, Plain Nut, 5/16-18 SST 8 2 100587 Plug, 1-1/2" NPT Sq. Head, Galv. 1 3 100739 Bolt, Hex Hd. 5/16-18 x 3/4" SST 12 4 100740 Bolt, Hex Hd. 5/16-18 x 1" SST 8 5 100043 Nipple, 1-1/2" NPT x Close. Galv. 2 6 102376 Washer, Flat 5/16 SST 7 102543 Tee, 1-1/2" NPT x 1-1/2" NPT x 1" NPT Galv.
Final Rinse Drain Assembly 1 2 4 3 5* *Not a Part of Item 3 must order separately 122
Final Rinse Drain Assembly Item No. Part No. Description Qty. 1 100141 Nut, Grip 1/4-20 1 2 305218 Strainer, F/R Drain 1 3 107342 Drain Basket Assy.
22" Prewash Door Assembly 6 3 12 14 13 3 6 12 9 2 7 1 5 8 10 4 7 124 11
22" Prewash Door Assembly Item No. Part No. Description Qty. 1 100073 Screw, Truss Head, 1/4-20 x 1/2" SST 2 2 100194 Nut, Hex Grip 10-32 SST 4 3 100735 Bolt, Hex Head 1/4-20 x 5/8" SST 4 4 100754 Screw, Flat hHead 10-32 x 1/2" SST 4 5 106026 Washer, Flat 1/4" SST 2 6 106482 Washer, Lock 1/4" Split SST 4 7 107033 Washer, Flat 0.
3 126 3 6 12 6 12 14 13 8 4 2 7 7 Right Hand 11 10 9 8 5 1 10 18 17 7 2 4 7 Left Hand 15 19 16 6 5 16 6 1 3 3 E44 and E54 Door Assemblies
E44 and E54 Door Assemblies Item No. Part No. Description Qty. 1 100073 Screw, Truss Head, 1/4-20 x 1/2" SST 5 2 100194 Nut, Hex Grip 10-32 SST 9 3 100735 Bolt, Hex Head 1/4-20 x 5/8" SST 8 4 100754 Screw, Flat hHead 10-32 x 1/2" SST 9 5 106026 Washer, Flat 1/4" SST 5 6 106482 Washer, Lock 1/4" Split SST 8 7 107033 Washer, Flat 0.
128 3 3 6 6 12 12 14 13 2 8 10 7 Right Hand 7 11 9 8 5 10 1 18 17 7 2 4 7 Left Hand 11 15 16 6 5 16 6 3 1 3 E64, E84 and 36" Prewash Door Assemblies
E64, E84 and 36" Prewash Door Assemblies Item No. Part No. Description Qty. 1 100073 Screw, Truss Head, 1/4-20 x 1/2" SST 6 2 100194 Nut, Hex Grip 10-32 SST 3 100735 Bolt, Hex Head 1/4-20 x 5/8" SST 4 100754 Screw, Flat hHead 10-32 x 1/2" SST 5 106026 Washer, Flat 1/4" SST 6 6 106482 Washer, Lock 1/4" Split SST 8 7 107033 Washer, Flat 0.
Extended Vent Cowls and Splash Shields 2 1 5 4 5 2 2 2 4 6 A 7 8 130 3
Extended Vent Cowls and Splash Shields Item No. Part No. Description Qty.
Standard Vent Cowls 5 2 1 5 4 2 2 4 2 3 6 8 7 132
Standard Vent Cowls Item No. Part No. Description Qty.
Single Tank Hot Water Coil (HWC) Heat 3 2 7 9 5 1 8 10 14 13 7 6 12 5 11 4 16 11 17 15 134
Single Tank Hot Water Coil (HWC) Heat Item No. Part No. Description Qty. 1 100118 Union Elbow, 3/4" NPT Male Brass 1 2 100123 Petcock 1/4" Female Brass 1 3 100184 Nipple, 3/4" NPT x Close Brass 1 4 102396 Bushing Reducing, 1" NPT x 3/4" NPT Brass 1 5 102396 Elbow 3/4" NPT x 90° Brass 2 6 102444 E;bp 34"NPT x 90° Brass 1 7 102490 Nipple 3/4" NPT x 3-1/2"Lg. Brass 2 8 102775 Nipple, 1" NPT, 8"Lg. Brass 1 9 103486 Nipple 3/4" NPT x 22" Lg.
Two Tank Hot Water Coil (HWC) Heat 24 39 8 18 37 22 17 41 33 13 40 9 20 5 26 29 10 34 42 16 4 36 15 38 6 19 23 32 31 25 27 3 2 44 14 1 7 43 12 30 21 11 136 35 28
Two Tank Hot Water Coil (HWC) Heat Item No. Part No.
24" Sideloader 11 10 9 1 8 2 3 4 5 6 7 138
24" Sideloader Item No. Part No. Description Qty.
30" Sideloader 11 10 9 1 8 3 4 5 6 7 140 2
30" Sideloader Item No. Part No. Description Qty.
Dish racks 2 1 142
Dish racks Item No. Part No. Description Qty.
Blank Page This Page Intentionally Left Blank 144
Electrical Schematios Electrical Schematics Illustration............................................................................................ Page Single Tank Electric/Steam.................................................................................... 146 Single Tank Electric/Steam Hot Water Coil.............................................................. 147 Two Tank Electric/Steam.......................................................................................
Single Tank Electric/Steam 146
Single Tank Electric/Steam Hot Water Coil 147
Two Tank Electric/Steam 148
Two Tank Electric/Steam Hot Water Coil 149
12KW and 22KW Single Tank Electric Booster 150
15KW and 24KW Two Tank Electric Booster 151
30KW Heat Recovery Electric Booster 152
Thermistor Connections 153
90/180 Rack Advance Connections 154
Circuit Board Diagnostics Circuit Board Diagnostics Solid State Circuit Board P/N 114756 155
Circuit Board Diagnostics Pause Power H1 Stop Start H3 Table Limit H5 Output Section Jam Switch Input Section Rack Switch Final Rinse Wash Flt U Final Rinse Wash Flt L Prewash Flt U Prewash Flt L DR Level Rinse Flt U Rinse Flt L Run Light H2 Wash Fill Prewash Fill Rack Control Module (RCM) Rinse Aid Pumps H4 Booster Heat H7 Wash Heat ED S TU O N H6 Rinse Tank Reset Prewash Digital Display Rinse AA Run DR Tank RCM Status/Jumpers DR/Rinse Heat DR Pump Single tank DR w/PW T
Circuit Board Diagnostics Jumper Settings The photos at right show the four possible jumper settings for the control module operation.
Circuit Board Diagnostics The following pages illustrate the operational states of the circuit board during the operation of the various dishwasher models. This RUN LED Only Indicates that the Board has Power. All Models Current State: 1. Main Power is on. 2. Dishwasher power switch is off. 3. All LED’s off. NOTE: A flashing Run Light at any time indicates that the machine filled for more than 20 minutes. Check the machine drains and fill circuits.
159 Jumper settings must be set for the machine model. Refer to page 157 for all possible machine jumper configurations. Note: 7. The RUN LED only indicates that the circuit board is energized. It does not indicate that the machine is running. 6. For Single Tank w/DR, no Prewash: Final Rinse and wash fill LEDs are on. Machine fills through final finse and wash fill valve. For Single Tank w/DR and Prewash: Final Rinse, wash and prewash LEDs are on.
Current State 1 (continued): Dishwasher power switch is on. Machine continues to fill. 1. Power and Pause LEDs are on 2. Drive Jam Switch is closed (NC) LED is on. 3. Table Limit Switch is closed (NC) LED is on. 4. Final Rinse Trip Switch is closed (NC) LED is on. (no dish rack is present) 5. Rack Trip Switch is closed (NC) LED is on. (no dish rack is present) The rack switch starts the pumps and drive. 6.
161 9. The Digital Display Rinse LED is on and the final rinse temperature gauge on the front of the control cabinet reads “OFF”. This is a normal condition indicating that the final rinse trip switch has not been operated by a dish rack. 8. The 90 second wash cycle timer counts down. 7. The Pumps LED comes on. 6. When the dish rack clears the Rack Trip Switch the Rack Switch LED comes back on. 5.
Current State 3: Dishwasher power switch is on. Machine is full of water. Machine is washing. 1. Power and Pause LEDs are on Drive Jam Switch is closed (NC) LED is on. Table Limit Switch is closed (NC) LED is on. Final Rinse Trip Switch is closed (NC) LED is on. Rack Trip Switch is closed (NC) LED is on. (no rack present) Run Light LED is on. Green light on front of control panel is on. The Pumps LED is on. 2. The dish rack moving through the machine trips the final rinse trip switch.
163 The Start LED comes on and then goes out, the Run Light LED comes on, the Pumps LED comes on. The machine begins another 90 second cycle. NOTE: To restart the wash cycle, press the Start button and insert a dish rack into the machine to activate the Rack Trip Switch. 5. Heat LEDs remain on. (Heating circuits continue to operate normally.) 4. The Pumps LED goes out. (The pumps and drive stop.) 3. The Run Light LED goes out. 2. Stop Switch is pressed.
Current State 4: JAM SWITCH OPERATION Dishwasher power switch is on. Machine is full of water. Machine is washing. 1. Power and Pause LEDs are on. Drive Jam Switch is closed (NC) LED is on. Table Limit Switch is closed (NC) LED is on. Final Rinse Trip Switch is closed (NC) LED is on. Rack Trip Switch is closed (NC) LED is on. (no rack present) Run Light LED is on. Green light on front of control panel is on. The Pumps LED is on. 2. The rack conveyor, drive motor or (rack advance table if equipped) jams.
165 9. Heat LEDs remained on during TLS operation. (Heating circuits continued to operate normally.) 8. The 90 second timer resumes where it left off. 7. The Pumps LED comes on. (Pumps and drive run.) 6. The TLS is deactivated when dish rack is removed. The Table Limit LED comes on. 5. The 90 second timer pauses. 4. The Pumps LED is off. 3. The Run Light LED is on. (Pumps and drive stop.) 2. A dish rack activates the table limit switch located on the end of the clean-end dish table.
Current State 6: DOOR SWITCH OPERATION Dishwasher power switch is on. Machine is full of water. Machine is washing. 1. Power and Pause LEDs are on. Drive Jam Switch is closed (NC) LED is on. Table Limit Switch is closed (NC) LED is on. Final Rinse Trip Switch is closed (NC) LED is on. Rack Trip Switch is closed (NC) LED is on. (no rack present) Run Light LED is on. Green light on front of control panel is on. The Pumps LED is on. 2. A door is opened during the wash cycle. The Pause LED goes out. 3.
167 NOTE: If the machine fills for more than 20 minutes, the machine will shut down and the Run Light LED will begin flashing. Check drains etc. then turn the machine Power Switch off and back on to reset the machine. 9. The associated Fill LED comes on; the fill valve(s) will energize and the tank(s) will fill with water. The FLT L LED and FLT U LED for each tank will come on as the tank fills. 8. The Pumps LED remains on. (All pumps and drive continue to run.) 7.
Current State 8: SHUTDOWN Dishwasher power switch is on. Machine is full of water. Machine is washing. 1. Power and Pause LEDs are on. Drive Jam Switch is closed (NC) LED is on. Table Limit Switch is closed (NC) LED is on. Final Rinse Trip Switch is closed (NC) LED is on. Rack Trip Switch is closed (NC) LED is on. (no rack present) Run Light LED is on. Green light on front of control panel is on. The Pumps LED is on. 2. Turn machine power switch off. 3. All LEDs go out. 4.