Loading ...
Loading ...
Loading ...
COMPONENT TESTING
Whirlpool Smart All-In-One Washer & Dryer
n
3-21
For Service Technician Use Only
TEST #13: Dry Fan Motor
This test checks the dry fan motor and wiring.
1. Check the motor and electrical connecons by performing
the Service Diagnosc Mode Tests on page 2-3. The
following steps assume that this step was unsuccessful.
2. Unplug washer/dryer or disconnect power.
3. Gently lay washer/dryer on its right side to access the
ACU. Remove AC shield and ACU cover.
4. Visually check that the J7 is inserted all the way into the
ACU.
¾ If visual check passes, go to step 5.
¾ If connector is not inserted properly, reconnect J7 and
repeat step 1.
5. Disconnect connector J7 from the ACU.
6. Using an ohmmeter, measure the resistance across pins 1
and 2 of connector J7.
¾ If the resistance is , the dry fan motor and
wiring are good; go to step 8.
¾ If the resistance is open, remove the top panel to
access the dry fan motor (see Figure 1). Check
connuity of the dry fan motor harness between the
ACU and Fan Motor.
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Failure to do so can result in death or
electrical shock.
Replace all parts and panels before operating.
Dry Fan
Motor
Fan Motor
Connector
Figure 1 - Dry Fan Motor
7. Disconnect wire connecon and measure resistance
between contacts of dry fan motor.
¾ If resistance is , go to step 9.
¾ If the resistance is much less or much greater than
40-50 Ω, replace the Heater Channel Assembly.
NOTE: The dry fan motor cannot be replaced
separately from the Heater Channel Assembly.
8. Remove the Heater Channel Assembly.
9. Conrm that the blower wheel is not obstructed and turns
freely.
¾ If the blower wheel is obstructed, remove debris and
re-assemble to washer/dryer.
¾ If the blower wheel is not obstructed but does not
turn freely, replace the Heater Channel Assembly.
NOTE: The dry fan motor cannot be replaced
separately from the Heater Channel Assembly.
¾ If the blower wheel turns freely, replace the ACU.
10. Perform the Service Diagnosc Mode Tests on page 2-3 to
verify repair.
Figure 2 - Dry Fan Motor Strip Circuit
DRY FAN MOTOR
L1
ACU
RFI-L
ACU
L2
JI-1
DRY FAN MOTOR
J7-2
J7-1
M
2
1
J1-2
RFI-N
40 - 50 ohms
Loading ...
Loading ...
Loading ...