Troubleshooting guide
PAGE 21
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DESTROY
Check that the water valve assembly hose
is connected to the nozzle.
8. If everything is hooked up and the water
still does not dispense:
Unplug dryer or disconnect power.
Replace the valve assembly and retest.
9. If the preceding steps did not correct
the problem, replace the CCU.
STRIP CIRCUITS
MOTOR CIRCUIT
HEATER (ELECTRIC)
HEATER (GAS)
THERMISTORS (INLET/OUTLET)
MOISTURE SENSOR
WATER VALVE CIRCUIT
L1
CYCLE CONTROL UNIT
P9-2 P9-1
K1
MOTOR RELAY
BK
LBU LBU
(ELECT. ONLY)
THERMAL
FUSE
BELT
SWITCH
4M
DRIVE MOTOR
1/3 HP
MAIN
START
2.7-3.0 Ω
3.3-3.6 Ω
CENTRIFUGAL
SWITCH
5M
3M 6M
2M
1M
See Heater Circuit
LBU
BU
N.O.
W
N
DOOR
SWITCH
L1
CYCLE CONTROL UNIT
BK
HEATER RELAY 1
K2
K3
HEATER RELAY 2
N.O.
N.O.
COM1
COM2
BK
V
V
HEATER 1
HEATER 2
20 Ω
20 Ω
RR
N.C.
HIGH LIMIT
THERMOSTAT
CENTRIFUGAL SWITCH
See
Motor
Circuit
1M
2M
3M
5M
6M
R
L2
THERMAL
CUT-OFF
L1
CYCLE CONTROL UNIT
BK
K2
HEATER RELAY 1
N.O.
50-500 Ω
HIGH LIMIT
THERMOSTAT
CENTRIFUGAL SWITCH
1M
2M
3M
5M
6M
N
COM
R
N.C.
BK
THERMAL
CUT-OFF
R-W
BU
THERMAL
FUSE
MOV
BK
LBU
FS1
FS2
45
1
3
2
1V
IG
IGR
HEATER GAS VALVE
1400 ± 70 Ω
570 ± 28.5 Ω
1300 ± 65 Ω
W
W
W
FLAME
SENSOR
VALVE 1
VALVE 2
IGNITOR
R
R LBU
See
Motor
Circuit
BU
W
DOOR
SWITCH
CYCLE CONTROL UNIT
P14-2
50K Ω
R
P14-3
R
R
R
10K Ω
INLET TEMP THERMISTOR
OUTLET TEMP THERMISTOR
P14-1
P14-6
INLET THERMISTOR
OUTLET THERMISTOR
CYCLE CONTROL UNIT
INLET THERMISTOR RTN
OUTLET THERMISTOR RTN
CYCLE CONTROL UNIT
P13-1
BK
MOISTURE SENSOR
CYCLE CONTROL UNIT
MOISTURE SENSOR RTN
MOISTURE SENSOR
P13-2
P8-2
CHASSIS GND
Y - R
MOV MOV
BK R
G-YG- Y
G-Y
CHASSIS GND
L1
N
WATER VALVE
P8-1
K4
VALVE RELAY
510-590 Ω
BK R
CYCLE CONTROL UNIT
P8-3
W
Figure 14 - Strip circuits.