Service Manual
Table Of Contents
- Section 3: Component Testing
- Section 1: General Information
- Dishwasher Safety
- General Theory of Operation
- New Components/Features
- Model and Serial Number Label Location
- Tech Sheet Location
- Model and Serial Number Nomenclature
- Product Specifications
- Product Features
- Section 2: Diagnostics and Troubleshooting
- Safety
- Service Diagnostics Cycle Timing
- Activating Service Diagnostics Mode
- Service Diagnostics Mode Menu Table
- Service Diagnostics Cycle Notes
- Service Error Codes
- Troubleshooting Guide
- Dishwasher Safety
- Section 4: Component Access
- Insulation Blanket and Door Latch Strike
- Siphon Break
- Accessing Door Components
- Removing the Inner Door and Hinges
- ProDry™ Assembly
- Removing User Interface and Door Latch
- Removing Dispenser Assembly
- Removing the Upper Rack (for SatinGlide rails)
- Removing the Third Level Rack (available on some models)
- Removing Lower Spray Arm and Manifold Assembly
- Removing Heater Assembly
- Removing Drain Pump
- Under Tub Components
- Drip Pan and Float Assembly
- Removing Sump and Motor Assembly
- Under Tub Components - GWS Model
- Removing Sump and Motor Assembly - GWS Model
- Insulation Blanket and Door Latch Strike
For Service Technician Use Only
COMPONENT TESTING(Cont.)
Whirlpool
®
and KitchenAid
®
Filtration and Maytag
®
24" Microltration Dishwashers
n
3-3
IMPORTANT:
1.
2.
4.
12 V
Drive
12 V
Drive
12 V
Drive
12 V
Drive
HTR-L
RELAY
HTR-N
RELAY
PILOT
RELAY
WH
wire
N L1
HEATER
H.L.STAT
BU/WH
wire
BU/RD
wire
BK wire
Fuse
(On some Models)
P5
BR
M
DRAIN
MOTOR
120 V / 60 Hz
45 W, 0.65 A
27.4 - 32.2 Ω
120 V / 60 Hz
120 V / 60 Hz / 5 W
1200 - 1600 Ω
120 V / 60 Hz / 3 W
1100 - 1400 Ω
FILL VALVE
M
DIVERTER
SPRAY ARM MOTOR
(ON SOME MODELS)
120 V / 60 Hz / 6 W
1890 - 2310 Ω EACH COIL
M
VENT
120 V / 60 Hz / 6 W
600 - 1800 Ω
DOOR SW
12 V
NORMALLY
OPEN
DISPENSER
120 V / 60 Hz
310 - 380 Ω
0.35 A
42 W
A-SYNCH
WASH
MOTOR
PUMP
120 V / 60 Hz
800 W WET / 500 W DRY
10 - 40 Ω
10 A 120 VAC
OPEN (C) - 90+/-3
CLOSE (C) - 70 +/-4
LT BU
P6
BU
P8
PK
P12
VT
P14
BR
Analog
Input
Door Open
Detection
MOTOR
RELAY
OR
OR
SMD
FUSE
FUSE
4
3
2
1
ELECTRONIC CONTROL
RELAY RETURN LINE THAT GOES THRU DOOR SWITCH
RELAY RETURN LINE THAT BYPASSES DOOR SWITCH
Triac Load Current Sensing
POWER
SUPPLY
VEE
VDD
REF
5 V
12 V
L
N
1
2
3
4
1
3
4
6
1
3
4
6
1 2 3 6 7 8 9 10 115
4
1 2 3 5
4
1
P9 RD
2 3 5
INPUT
NTC
INPUT
INPUT INPUT
INPUT
OPT
SIG
TURB
DRIVE
PWM
6 7
4
1
P11 OR
2 3 5 6 7
4
1
GY
P1B
5 V
12 V
WIN
DATA
REF
P1A
WIN
DATA
(4p R2.5 header)
REF
2 3
4
1
WH
2 3
4
1
P10
O.W.I.
(NTC & Turbidity Sensor)
DIVERTER
SENSOR
12 V
SWITCHED
12 V
NORMALLY
CLOSED
(ON SOME MODELS)
12 V
SWITCHED
FLOW
METER
LEAKAGE
(FLOAT)
SWITCH
WiFi module
YL
2 3 5 6
4
N
L1
FAN MOTOR
(ON SOME MODELS)
12 V, 1 W
145 - 185 kΩ
12 V
(ON SOME MODELS)
RINSE AID EMPTY &
MIDDLE SPRAY ARM
SENSOR
(ON SOME MODELS)
M
NTC
NON-SOIL SENSING
MODELS
Lower Spray Arm
Sensor
( On Some Models)
LIGHT IN
THE
TUB
12 V
PWM
OR
1
12 V
5 V
Data GND
Front Status Display
(On Some Models)
External HMI
5 V
Data
GND
2 3 1 2 34
1234
1
2
3
4
5
Reserved
GND
WIN data
5 V
12 V
P3
SERVICE
TOOL
12 V
BEEPER
PROGRAMS OPTION A
OPTION B
(DELAY)
( 2 4 8 )
START
Resume
CANCEL
Drain
ALARMS
(Status)
INTEGRATED USER INTERFACE
MAX POSSIBLE POPULATION
5 KEYS, 14 LED's
1
2
3
4
P4
5 V
12 V
(On Some
Models)
ACU DIAGNOSTIC LED
(SEE TABLE BELOW)
(SEE NTC TABLE BELOW)