Whirlpool CAE2793BQ - Main Control Troubleshooting Test

P
AGE 12
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMO
VE OR DESTROY
TROUBLESHOOTING TESTS
TEST #1: Main Control
This test checks for incoming and outgoing supplies to and
from the main control. This test assumes that proper voltage
is present at the outlet.
1.
Unplug washer or disconnect power
.
2. Remove console to access main control.
3. V
erify that ALL connectors are inserted all the way into the
main control.
4.
Plug in washer or reconnect power
.
5. W
ith a voltmeter set to AC, connect black probe to J7-3
(Neutral) and red probe to J7-1 (L1).
J2-5 OPEN
J2-4 BLK +13VDC
J2-3 GRY -5VDC (CIR
CUIT GND)
J2-2 PNK RPM INPUT
J2-1 BL
U
SHIF
TER POSITION INPUT
J3-10 BLK TEMP THERMISTOR INPUT (HYBRID)
J3-9 BLK TEMP THERMISTOR GND (HYBRID)
J3-8 OPEN
J3-7 OPEN
J3-6 OPEN
J3-5 BLU COLD VAL
VE (L1)
J3-4 RED HOT V
ALVE (L1)
J3-3 OPEN
J3-2 OPEN
J3-1 WHT NEUTR
AL
J4-3
J4-2
J4-1
J7-3 BLK NEUTR
AL
J7-2 GRN CHAS
SIS GROUND
J7-1 BLK L1
J2
J3
J7
J4
J10
J11
J16
J15
SHIF
TER VALVES Thermister
POWER
CORD
Temperature ControlPressure Transducer
LID LOCK
DRAIN MOTOR
J10-6 RED ROW 4
J10-5 RED ROW 5
J10-4 RED COLUMN 0
J10-3 RED COL
UMN 1
J10-2 RED COL
UMN 2
J10-1 RED COLUMN 3
J11-6 BLK ROW 2
J11-5 BLK ROW 3
J11-4 BLK COL
UMN 0
J11-3 BLK COLUMN 1
J11-2 BLK COL
UMN 2
J11-1 BLK COL
UMN 3
J15-4 RED L
OCK SWITCH
J15-3 WHT NEUTRAL
J15-2 BL
U
LID SWITCH INPUT
J15-1 YEL L
OCK SWITCH SOLENOID (L1)
J16-7 ORN MOTOR CCW WINDING (L1)
J16-6 RED MOTOR CW WINDING (L1)
J16-5 WHT MOTOR (NEUTR
AL)
J16-4 OPEN
J16-3 LT BL
U
DRAIN PUMP MOTOR (L1)
J16-2 W
/ BLU
SHIF
TER MOTOR (NEUTRAL)
J16-1 BRN SHIF
TER MOTOR (L1)









If 120V
AC is present, go to step 6.


If 120V
AC is not present, check the AC power cord
for continuity (See Figure 9).
6.
Is the “Diagnostic LED” ON or OFF? (See Figure 3 below
for LED location.)


ON
: (+5VDC present) continue to step 7.


OFF
: (+5VDC missing) proceed to step 8.
7.
W
ith a voltmeter set to
DC, connect black probe to J2-3
(Circuit Gnd) and red probe to J2-4 (+13VDC).
If +13VDC is present, main control supplies are good.
If +13VDC is not present, go to step 8.
Diagnostic
LED
J7-Power
Cord
J16 Drive Motor and Drain Pump
J15-Lid Lock
J3-Thermister and
 =
represents pin-1






 
J2-Shifter
J10-Temperature
Control *
J1- Pressure Transducer
* Not available on
all models
J7
J2
J4
J3
J16
J15
J11
J10
Main Control Board Connectors and Pinouts (Figure 3)
Inlet Water Valves