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3-12
n
Whirlpool Smart All-In-One Washer & Dryer
COMPONENT TESTING
For Service Technician Use Only
This test checks the wash heang element, wiring, and ACU.
1. Unplug washer/dryer or disconnect power.
2. Gently lay washer/dryer on its right side to access the
ACU. Remove AC shield and ACU cover.
3. Disconnect connector J9 from the ACU.
4. Using an ohmmeter, measure the resistance across pins 1
and 2 of connector J9.
¾ If the resistance is , the heang element and
wiring are good; go to step 8.
¾ If the resistance is open, go to step 5.
5. Lay down washer/dryer and remove rear panel to access
the heang element.
6. Disconnect the wire connectors from the heang element.
See Figure 1.
7. Using an ohmmeter, measure the resistance across the
two heang element terminals.
¾ If the resistance is , the heang element is
good; replace the lower main harness.
¾ If the resistance is open, or very much out of range,
replace the heang element.
Figure 3 - Wash Heating Element Strip Circuit
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.
Figure 1 - Heating/Temperature Sensor Assembly
3$*(
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
Temperature Sensor
Heater Terminal Heater Terminal
Assembly Removal Nut
WASH HEATING ELEMENT
Wash Heater Connector (J9) on ACU
Figure 2 - Heater Connector Location on ACU
3$*(
¾
¾
¾
¾
¾
¾
J1
J9
J10
J3
J2
J6
J5
J16
J17
J7
J4
J22
J20
J14
J12
J11
ACU ACU
HEATING ELEMENT
L1
J1-2
L2
J1-1
J9-1
J9-2
L1 - HEATER RELAY L2 - HEATER RELAY
H
30 - 34 ohms
RFI-L
RFI-N
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