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.