KAR-12 TECHNICAL EDUCATION MODELS: KSBP25FKSS00 KSBS25FKBL00 KSBS25FKBT00 KSBS25FKWH00 KSCS25FKSS00 KSFS25FKBL00 KSFS25FKBT00 KSFS25FKWH00 2001 K MODEL COUNTER DEPTH SIDE-BY-SIDE REFRIGERATOR WITH VARIABLE CAPACITY COMPRESSOR JOB AID 4317290A
FORWARD This Job Aid, “KitchenAid 2001 K Model Counter Depth Side-By-Side Refrigerator With Variable Capacity Compressor” (Part No. 4317290A), provides the technician with information on the installation and service of the Side-By-Side Refrigerator. It is to be used as a training Job Aid and Service Manual. For specific information on the model being serviced, refer to the “Use and Care Guide,” or “Tech Sheet” provided with the refrigerator.
TABLE OF CONTENTS Page GENERAL ............................................................................................................................... 1-1 Safety First ......................................................................................................................... 1-1 Electrical Power Supply & Grounding Requirements ................................................... 1-1 Electrostatic Discharge (ESD) Sensitive Electronics ....................................................
Page DIAGNOSIS & TROUBLESHOOTING ................................................................................... 6-1 Diagnosis ........................................................................................................................... 6-1 Pre-Diagnostics Checks ................................................................................................. 6-1 Diagnostics Mode ...........................................................................................................
GENERAL SAFETY FIRST Your safety and the safety of others is very important. We have provided many important safety messages in this Job Aid and on the appliance. Always read and obey all safety messages. This is the safety alert symbol. This symbol alerts you to hazards that can kill or hurt you and others. All safety messages will follow the safety alert symbol and either the word “DANGER” or “WARNING.” These words mean: You can be killed or seriously injured if you don’t immediately follow instructions.
ELECTROSTATIC DISCHARGE (ESD) SENSITIVE ELECTRONICS ESD problems are present everywhere. ESD may damage or weaken the electronic control assembly. The new control assembly may appear to work well after repair is finished, but failure may occur at a later date due to ESD stress. • Use an antistatic wrist strap. Connect the wrist strap to a green ground connection point or unpainted metal in the appliance; or touch your finger repeatedly to a green ground connection point or unpainted metal in the appliance.
MODEL & SERIAL NUMBER DESIGNATIONS MODEL NUMBER MODEL NUMBER K SB S 25 F K WH 30 10001 PRODUCT GROUP K = KitchenAid Brand PRODUCT IDENTIFICATION BR = Bottom Freezer Reversible Door SB = Counter Depth Factory Installed Trim SC = Counter Depth Architect Style SF = Counter Depth Side By Side SR = Side By Side Regular TR = Top Freezer Reversible Door MERCHANDISING SCHEME/SERIES CAPACITY/CUBIC FOOT SIZE MODEL FEATURES YEAR OF INTRODUCTION K = 2001 COLOR CODE WH = White ENERGY/POWER DESIGNATOR (NUMERIC) 0 =
MODEL & SERIAL NUMBER LABEL AND TECH SHEET LOCATIONS The Model/Serial Number Label and Tech Sheet locations are shown below.
SPECIFICATIONS Model Number Model Description Size-Configuration Cabinet Height (Floor To Top Of Cabinet) (in) Overall Height (Floor To Top Of Hinge Covers) (in) Cabinet Width (in) Overall Depth (Including Hardware & Handles) (in) Depth - Less Doors/Base Grille (Minimum Opening) (in) Crated Weight (lbs) Cabinet Color Cabinet Hinge Cover Color Cabinet Center Rail Color Cabinet Deck Rail Color Cabinet Base Grille/Color Cabinet Rollers Refrigerant Energy Star Control Type Standard Warranty (Months) Full Liner
Model Number Model Description Size-Configuration Cabinet Height (Floor To Top Of Cabinet) (in) Overall Height (Floor To Top Of Hinge Covers) (in) Cabinet Width (in) Overall Depth (Including Hardware & Handles) (in) Depth - Less Doors/Base Grille (Minimum Opening) (in) Crated Weight (lbs) Cabinet Color Cabinet Hinge Cover Color Cabinet Center Rail Color Cabinet Deck Rail Color Cabinet Base Grille/Color Cabinet Rollers Refrigerant Energy Star Control Type Standard Warranty (Months) Full Liner And Sealed Syst
REFRIGERATOR WARRANTY ONE-YEAR FULL WARRANTY ON REFRIGERATOR For one year from the date of purchase, when this refrigerator (excluding the water filter) is operated and maintained according to instructions attached to or furnished with the product, KitchenAid will pay for factory specified replacement parts and repair labor costs to correct defects in materials or workmanship. Service must be provided by a KitchenAid designated service company.
— NOTES — 1-8
INSTALLATION INFORMATION LEVELING THE REFRIGERATOR 1. IMPORTANT: All four leveling legs must contact the floor to support and stabilize the full weight of the refrigerator. Base Grille Removal 1. Open the refrigerator doors. NOTE: Do not remove the Tech Sheets fastened behind the grille. 2. Remove the screws from the base grille and remove the grille. Adjusting The Rollers 2. The roller adjusting bolts are located behind the base grille.
— NOTES — 2-2
THEORY OF OPERATION Warmer Warmer 8 Water Filter 46 3.4 40.4 1.7 38.7 0 37 –1.7 35.3 –3.4 33.6 –5.1 31.9 Cooler Cooler Freezer Refrigerator Power On/Off THE ELECTRONIC CONTROL PANEL OVERVIEW NOTE: The illustration above shows the actual temperature that is associated with each corresponding LED. Freezer temperatures can be set from 8°F to –5°F (–13°C to –21°C). Refrigerator temperatures can be set from 46°F to 32°F, (8°C to 0°C).
TEMPERATURE CONTROL Freezer Temperature Control — Temperature Decreasing The electronic control checks the resistance of the thermistors, and compares it to both the customer temperature settings and the last thermistor reading taken. This information is used to determine when to begin a cooling operation, and if a change is necessary in the damper setting, or the evaporator fan or compressor speed.
COMPRESSOR COMPRESSOR PROTECTION The main control board supplies a 5 vdc, peakto-peak square wave, at 54 to 150 Hz, to the inverter board. A standard VOM will read approximately 2.5 vdc. The inverter board supplies the variable capacity compressor with three-phase 230 vac. Varying the frequency to the inverter board, and not the voltage, changes the speed of the compressor. The compressor can run at speeds of 1620 to 4500 rpm.
POWER INTERRUPTION The refrigerator temperature determines the opening of the air door. When the refrigerator requires cooling, if the evaporator fan motor is already running for the freezer, the air door partially opens, and then adjusts, if necessary. While the refrigerator is cooling, the door will be adjusting continuously to maintain or recover refrigerator temperature.
Freezer Thermistor AIR CIRCULATION If the control senses an open or a shorted thermistor, the compressor and the evaporator fan motor will begin to operate on a timed on and off cycle. The cycle time is based on current selected temperature settings. At mid-settings of 37°F / 0°F, the compressor and the evaporator fan motors will run for 35 minutes, and be off for 25 minutes. Setting the freezer colder will increase the run time. Setting the freezer warmer will decrease the run time.
— NOTES — 3-6
COMPONENT ACCESS This section instructs you on how to service each component inside the refrigerator/freezer. The components and their locations are shown below.
REMOVING THE TOUCH/DISPLAY BOARD, THE INSERT AND OVERLAY, & THE MOTORIZED AIR DOOR 3. Remove the light shield. To do this, place your finger into the half-moon slot at the bottom of the shield and pull out, then pull down to disengage the corners from the control box. Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. Light Shield NOTE: Sharp edges may be present. 1.
6. 8. Disconnect the two wires from the light socket and the 3-wire connector from the touch/display board, and remove the touch control assembly. To remove the insert and overlay, press the locking clips, and push the insert and overlay out of the touch control housing opening. Unclip & Push Out 3-Wire Connector Light Socket Wires Insert & Overlay 9. To remove the motorized air door: a) Pull the cover and motorized air door away from the refrigerator liner. Motorized Air Door Cover 7.
REMOVING A THERMISTOR 3. Remove the hex-head screw from the thermistor cover. Pull the cover forward at the screw end, and unhook the tab from the slot at the other end of the thermistor cover. Screw Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. Refrigerator / Freezer Thermistor Cover NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power.
REMOVING A DOOR SWITCH 3. Use a small-bladed screwdriver and pry the door switch out of the freezer/refrigerator liner opening. Straight Side Faces Front Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. Refrigerator Door Switch NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power.
REMOVING A LIGHT SOCKET 3. 4. 5. Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. Press In On Locking Arm At Narrow End NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power. NOTE: The refrigerator and freezer light sockets are identical and are removed in the same manner. 2.
REMOVING THE WATER RESERVOIR 2. Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. Open the refrigerator and freezer doors and remove the two screws from the base grille and remove the grille from the front of the unit. Screw NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power. NOTE: The water reservoir location is shown below. Base Grille Screw 3.
5. 6. Pull the unit out of its mounting location so you can access the unit compartment cover. At the rear of the unit, remove the hexhead screws from the unit compartment cover and remove the cover. 8. Pull the ends of the water reservoir tubing through the condenser fan motor bracket. 9. Remove the crisper and bottom shelves from the refrigerator compartment. 10. Remove the hex-head screw from the water reservoir tubing strap. 11. Pull the ends of the water reservoir tubing through the grommet.
REMOVING THE ICE MAKER AND THE AUGER MOTOR & CRUSH/CUBE SOLENOID 3. To remove the ice maker: a) Remove the bottom screw from the ice maker bracket. Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power. 2. Open the freezer door and remove the ice maker shelf and the ice bin.
4. To remove the auger motor or crush/ cube solenoid: a) Remove the light shield and the bulb from the socket. b) Remove the four hex-head screws from the auger assembly and pull the assembly forward. d) To remove the auger, unscrew the drive coupler (left-hand threads) and remove it from the motor shaft. e) Remove the three auger motor hexhead screws from the housing.
REMOVING THE EVAPORATOR FAN MOTOR, THE BIMETAL, THE DEFROST HEATER, & THE EVAPORATOR 3. 4. 5. Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. Light Shield & Bulb Remove Rear Shelf Studs NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power. 2. Open the freezer door and remove the ice bin, shelves, and freezer baskets.
6. Lift and unhook the two evaporator cover tabs, then lower the cover until the top edge clears the air duct, and slide the cover up and out of the freezer. 7. To remove the evaporator fan motor: a) Pull the fan blade off the motor shaft. b) Unclip the motor. c) Disconnect the wire connector from the terminals. Pull Fan Blade Off Motor Shaft Evaporator Fan Motor Unhook Evaporator Cover Tabs Unclip Motor Wire Connector d) Remove the isolator from the motor.
8. To remove the bimetal: a) Unclip the bimetal from the evaporator inlet tubing. b) Follow the instructions that were supplied with the replacement bimetal to connect the wires. b) Disconnect the two defrost heater wires and the main terminal connector. c) Unclip the bimetal from the evaporator inlet tubing. d) Remove the two top hex-head screws and loosen the bottom screw on the evaporator fan motor shroud, and remove the shroud and the two foam inserts.
g) Pull the bottom of the evaporator toward the front of the unit and remove the two hangers from the defrost heater. 10. To remove the evaporator: a) Remove the defrost heater from the evaporator (see page 4-13). b) Access the sealed system and discharge the refrigerant into an approved recovery system. c) Remove and replace the evaporator. REASSEMBLY NOTES: 1. The evaporator fan motor shroud has a foam insert on each side.
REMOVING THE CONDENSER FAN MOTOR 4. Remove the speed nut from the condenser fan blade and remove the blade. Nut Side Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power. 2. Pull the refrigerator out of its mounting location. 3.
REMOVING THE COMPRESSOR Compressor Terminal Cover Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. 6. 7. NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power. 2. Pull the refrigerator out of its mounting location. 3. Remove the power connector and green ground wire from the compressor terminals. Loosen the strain relief screw and remove the wire.
REMOVING THE INVERTER ASSEMBLY 5. 6. Remove the compressor terminal cover (see step 5 on page 4-16 for the procedure). Disconnect the inverter output 3-wire connector and ground wire from the compressor. Green Ground Wire Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. Compressor NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power. 2.
REMOVING THE MAIN CONTROL BOARD ASSEMBLY 5. 6. Disconnect the 3-, 9-, and 12-pin connectors, as shown below. Remove the hex-head screw from the green ground wire. 3-, 9-, & 12 Pin Connectors Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. Screws NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power. 2. Pull the refrigerator out of its mounting location. 3.
9. Remove the main control board from the five standoffs. Press in on the locking tab on each standoff to release the board. Press In On Tab To Remove Board From Standoffs Electrical Shock Hazard Connect green ground wire to ground screw. Failure to do so can result in death or electrical shock. NOTE: When you reinstall the main control board assembly, be sure to install the green ground wire at the location shown in the photo.
REMOVING THE WATER DISPENSER FILL TUBE 3. Position the drip tray upside down under the ice & water dispenser control panel, and pry the bottom edge of the panel out at the two small slots with a large-bladed screwdriver. Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. Pry Out NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power. 2.
5. 6. Disconnect the three wire connectors and the green ground wire from the switch subpanel. Remove the two hex-head screws from the switch subpanel and remove the panel. 3 Wire Connectors & Ground Wire 9. Disconnect the water dispenser fill tube from the union, slide the nut off the end of the tube, and allow the water to drain into the container. 10. If possible, pull the water dispenser fill tube through the wire tie, or cut the tie. Wire Tie Screw 7.
REMOVING THE WATER VALVE 5. Remove the hex-head screws from the water valve bracket. Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power. 2. Pull the refrigerator out of its mounting location. 3. Turn off the water supply to the refrigerator. 4.
REMOVING THE FREEZER DOOR HANDLES & FREEZER DOOR b) Similarly, slide down and remove the bottom handle trim. c) Remove the four hex-head screws and remove the handle from the door. 2 Screws Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power.
b) Place a container near the base grille to catch the water in the next step. c) Disconnect the water dispenser fill tube from the union, slide the nut off the end of the tube, and allow the water to drain into the container. d) Cut the wire tie around the bottom door hinge. f) Close the freezer door to hold it in place. g) Remove the three Torx screws from the top hinge and remove the hinge. Torx Screw (1 of 3) Top Hinge Wire Tie h) Open the freezer door and lift it off the bottom hinge.
REMOVING A ROLLER 6. Remove the T-40 Torx bolt from the bottom frame. Cabinet Bottom Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. NOTE: Sharp edges may be present. 1. Unplug the refrigerator or disconnect the power. 2. Remove any food or beverage that can spill or be damaged from the refrigerator and freezer compartments. 3. Pull the refrigerator out of its mounting location. 4.
— NOTES — 4-26
COMPONENT TESTING • Check all connections before replacing components, looking for broken or loose wires, failed terminals, or wires not pressed into connectors far enough. • Resistance checks must be made with power cord unplugged from outlet, and with wiring harness or connectors disconnected. Before testing any of the components, perform the following checks: • The most common cause for control failure is corrosion on connectors.
Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. CONDENSER FAN MOTOR EVAPORATOR FAN MOTOR 1 2 3 4 Refer to page 4-11 for the procedure for servicing the evaporator fan motor. 1. Run the diagnostics tests (see page 6-1) and check for the proper operation of the evaporator fan motor in step 03.
Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. COMPRESSOR & INVERTER Pins check P7-3 and P7-8 on the main control board for 3 to 6 volts DC. If the voltage is not present, replace the main control board. • If the 3 to 6 volts DC is present at the main control board, continue with step 5. 5. Unplug the refrigerator or disconnect the power. 6. Disconnect the wire connector going to the compressor. 7.
Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. MOTORIZED AIR DOOR DEFROST HEATER & BIMETAL Refer to page 4-2 for the procedure for servicing the motorized air door. 1. Run the diagnostics tests (see page 6-1) and check for the proper operation of the air door in step 06. NOTE: A 12 volts DC square wave is supplied to the air door in a series of short pulses.
Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. MAIN CONTROL BOARD Refer to page 4-18 for the procedure for servicing the main control board. NOTE: See the chart for the main control board test specifications.
Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. ICE MAKER AUGER MOTOR CRUSH/CUBE SOLENOID Refer to page 4-9 for the procedure for servicing the crush/cube solenoid. 1. Unplug the refrigerator or disconnect the power. 2. Disconnect one of the wires going to the solenoid. 3. Set the ohmmeter to the R x 1 scale. 4. Touch the ohmmeter test probes to the solenoid terminals. 5.
Electrical Shock Hazard Disconnect power before servicing. Replace all panels before operating. Failure to do so can result in death or electrical shock. WATER VALVE SOLENOID DOOR SWITCH Refer to page 4-22 for the procedure for servicing the water valve. 1. Unplug the refrigerator or disconnect the power. 2. Disconnect the wire connectors from the water valve solenoid terminals. 3. Set the ohmmeter to the R x 1 scale. 4. Touch the ohmmeter test probes to the terminals of the ice maker solenoid.
DIAGNOSIS & TROUBLESHOOTING DIAGNOSIS Warmer Warmer Cooler Cooler Freezer Refrigerator Water Filter Power On/Off PRE-DIAGNOSTICS CHECKS Both the Power On/Off and the Water Filter Reset keys must be functional. The refrigerator LEDs will show the step number, with the bottom LED being #1. The results of the checks are shown on the water filter status indicator. Green indicates good and red indicates bad. After 20 minutes, the control will default from the Diagnostics Mode to a normal cooling mode.
DIAGNOSTICS CHART Step Component Tested 01 Freezer Thermistor. 02 Refrigerator Thermistor. 03 Evaporator Fan Motor. 04 Condenser Fan Motor. 05 Compressor. 06 Air Door. 07 Result* Comment Green Red Red Green Red Red Green Red Green Green Red Green Thermistor is within normal range. Thermistor is open or less than –20°F. Thermistor is shorted or greater than 115°F. Thermistor is within normal range. Thermistor is open or less than 10°F. Thermistor is shorted or greater than 115°F.
TROUBLESHOOTING CHART PROBLEM Condenser fan runs but the compressor will not start. POSSIBLE CAUSE TEST PROCEDURE-ACTION No DC control voltage from main See "Component Testing" section for main PCB test procedure. PCB to the inverter board. Control voltage wires loose or Check connections and repair as needed. reversed. Compressor. See "Component Testing" section for compressor/inverter test procedure. Inverter board. See "Component Testing" section for compressor/inverter test procedure.
— NOTES — 6-4
WIRING DIAGRAMS & STRIP CIRCUITS WIRING DIAGRAM 7-1
STRIP CIRCUITS THE COOLING CIRCUITS The Compressor Compressor Inverter Board RD L1 BK RD/WH WH P7-3 N P7-8 P5-2 Electronic Control Board P5-3 WH Thermistor The Condenser Fan Motor Condenser Fan Motor L1 BK P5-2 Electronic Control Board P6-1 7-2 WH/RD WH N
The Evaporator Fan Motor Electronic Control Board P5-2 BK L1 P7-4 P7-9 P7-5 YL/BU YL/RD WH P5-3 N P7-10 WH/VT YL/BK YL WH Evaporator Fan Motor RD BU THE DEFROST CYCLE The Defrost Heater Bimetal L1 BK P5-2 Electronic Control Board P6-4 7-3 PK Defrost Heater BR WH N
— NOTES — 7-4
PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION SOURCES IN THE UNITED STATES: FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL: FOR WHIRLPOOL PRODUCTS: 1-800-253-1301 FOR KITCHENAID PRODUCTS: 1-800-422-1230 FOR ROPER PRODUCTS: 1-800-447-6737 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER’S HOME CALL: THE TECHNICAL ASSISTANCE LINE: 1-800-253-2870 HAVE YOUR STORE NUMBER READY TO IDENTIFY YOU AS AN AUTHORIZED SERVICER FOR LITERATURE ORDERS: PHONE: 1-800-851-4605 IN CANADA: FOR PRODUCT SPECIFICATIONS A