Service Manual

2-10
n
Whirlpool Smart All-In-One Washer & Dryer
DIAGNOSTICS & TROUBLESHOOTING
For Service Technician Use Only
  
 No water supplied to washer or low
water pressure.
1. Check water connecons to washer.
2. Verify that water supply is turned on.
Plugged lter/screen. Check for plugged lter or screen in the inlet valve or hose.
Drain hose installaon. Check for proper drain hose installaon. Is water siphoning out
of the drain hose?
Inlet valve problem. See TEST #5: Inlet Valve, page 3-9.
Pressure switch problem. See TEST #6: Pressure Switch, page 3-10.
 Drain hose/lter or air trap is
plugged.
Check for hose, drain lter, and air trap obstrucons.
Inlet valve not shung o. See TEST #5: Inlet Valve, page 3-9.
Pressure switch problem. See TEST #6: Pressusre Switch, page 3-10.
Drain pump problem. See TEST #7: Drain/Recirculaon Pump, page 3-11.

Door is not locked. Is door locking
aer starng a cycle?
Verify harness connecons and see TEST #4: Door Lock System,
page 3-8.
Garment or mechanical obstrucon
between drum and tub.
Try to move the drum while the washer is unpowered to see if
it can move freely. If not, check for a garment or other object
obstrucng movement.
Harness connecons.
Check harness connuity and connecons between ACU and
motor.
Motor problem.
See TEST #3: Motor Circuit, page 3-7.

Mechanical fricon.
Check for obstrucon between spin basket and outer tub.
Harness connecons.
Check harness connuity and connecons between ACU and
motor.
Motor problem.
See TEST #3: Motor Circuit, page 3-7.

Drain hose installaon. Reduce drain height if it is >49”. Make sure drain hose is not
inserted more than 4.5” (114 mm). Make sure drain hose is not
sealed into drain pipe, and that there is an air gap for venlaon.
Plugged drain hose or air trap. Check drain hose and air trap for obstrucons.
Obstrucons to drain pump. Check and clean drain lter of obstrucons.
Harness connecons. Check harness connuity and connecons between ACU and drain
pump.
Drain pump problem. See TEST #7: Drain/Recirculaon Pump, page 3-11.


Heang element problem. See TEST #8: Wash Heang Element, page 3-12.
Temperature sensor problem. See TEST #9: Wash Temperature Sensor, page 3-13.

Supply hose connecon. Check hose connecon and for damage to rubber gasket due
to over-ghtening.
Drain hose installaon. Check for proper drain hose installaon.
Plugged drain hose or house drain
pipe.
Check drain hose for obstrucons and make sure house drain pipe
is not blocked.
Overloading the washer/dryer Overloading can parally push the door open.
Internal hose connecons. Check internal hose connecons for leakage.
Check bellow. Check for holes in the bellow. If there are none, remove, reposion,
and reinstall the bellow. Make sure the bellow is not wrinkled.

Connued on following page . . .