Whirlpool WFC8090GX Service Manual page 28

DIAGNOSTICS & TROUBLESHOOTING
TROUBLESHOOTING GUIDE (continued)
Problem
Won't Fill No water supplied to washer or low
water pressure.
Plugged filter/screen.
Drain hose installation.
Inlet valve problem.
Pressure switch problem.
Overfills Drain hose/filter or air trap is
plugged.
Inlet valve not shutting off.
Pressure switch problem.
Drain pump problem.
Drum Won't Rotate Door is not locked. Is door locking
after starting a cycle?
Garment or mechanical obstruction
between drum and tub.
Harness connections.
Motor problem.
Motor Overheats
Mechanical friction.
Harness connections.
Motor problem.
Won't Drain Drain hose installation.
Plugged drain hose or air trap.
Obstructions to drain pump.
Harness connections.
Drain pump problem.
Incorrect Water Heating element problem.
Temperature
Temperature sensor problem.
Leaking Supply hose connection.
Drain hose installation.
Plugged drain hose or house drain
pipe.
Overloading the washer/dryer
Internal hose connections.
Check bellow.
n
2-10 Whirlpool Smart All-In-One Washer & Dryer
For Service Technician Use Only
Possible Cause Checks & Tests
1. Check water connections to washer.
2. Verify that water supply is turned on.
Check for plugged filter or screen in the inlet valve or hose.
Check for proper drain hose installation. Is water siphoning out
of the drain hose?
See TEST #5: Inlet Valve, page 3-9.
See TEST #6: Pressure Switch, page 3-10.
Check for hose, drain filter, and air trap obstructions.
See TEST #5: Inlet Valve, page 3-9.
See TEST #6: Pressusre Switch, page 3-10.
See TEST #7: Drain/Recirculation Pump, page 3-11.
Verify harness connections and see TEST #4: Door Lock System,
page 3-8.
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
obstructing movement.
Check harness continuity and connections between ACU and
motor.
See TEST #3: Motor Circuit, page 3-7.
Check for obstruction between spin basket and outer tub.
Check harness continuity and connections between ACU and
motor.
See TEST #3: Motor Circuit, page 3-7.
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 ventilation.
Check drain hose and air trap for obstructions.
Check and clean drain filter of obstructions.
Check harness continuity and connections between ACU and drain
pump.
See TEST #7: Drain/Recirculation Pump, page 3-11.
See TEST #8: Wash Heating Element, page 3-12.
See TEST #9: Wash Temperature Sensor, page 3-13.
Check hose connection and for damage to rubber gasket due
to over-tightening.
Check for proper drain hose installation.
Check drain hose for obstructions and make sure house drain pipe
is not blocked.
Overloading can partially push the door open.
Check internal hose connections for leakage.
Check for holes in the bellow. If there are none, remove, reposition,
and reinstall the bellow. Make sure the bellow is not wrinkled.
Continued on following page . . .