Troubleshooting Guide - Whirlpool Cabrio Service Manual

FOR SERVICE TECHNICIAN'S USE ONLY

TROUBLESHOOTING GUIDE

PROBLEM
WILL NOT POWER UP
- No operation
- No keypad response
- No LED's or display
WILL NOT START CYCLE
(No response when Start button
is pressed.)
WILL NOT SHUT OFF
WHEN EXPECTED
CONSOLE WON'T ACCEPT
SELECTIONS
DRUM WILL NOT SPIN
WILL NOT HEAT
HEATS IN AIR CYCLE
SHUTS OFF BEFORE CLOTHES
ARE DRY
WATER VALVE NOT DISPENSING
(ON SOME MODELS)
(Water valve is activated intermittently
during the steam cycle.)
WATER LEAKING FROM DRYER
(ON SOME MODELS)
(Too much water being dispensed
during steam cycles)
DO NOT REMOVE OR
POSSIBLE CAUSE
No power to dryer.
Connection problem between AC plug and dryer. See Test #2: Supply Connections, page 13.
Connection problem between ACU and UI.
Power supplies not present at machine electronics. See Test #1: ACU Power Check, page 12.
User Interface problem.
Door not fully closed or striking the door latch.
Door Switch problem.
Drive Belt / Belt Switch problem.
Thermal Fuse / Motor problem.
User Interface problem.
ACU problem.
Poor airflow.
Check the Start/Pause button.
Moisture Sensor problem.
Thermistor problem.
User Interface problem.
ACU problem.
User selected invalid option.
User Interface problem.
Drive Belt / Belt Switch problem.
Thermal Fuse (elect. only).
Door switch problem.
Motor problem.
ACU problem.
Check installation.
Check for L1 and L2.
Heater system malfunction or open heater coil.
ACU problem.
Heater coil shorted.
Heater relay shorted.
Heater system problem.
Dryness or Dry Level setting for auto cycles.
Lint screen full.
Heater vent clogged.
Moisture Sensor problem.
Adjust Customer Focused Dryness Level.
Steam cycle not selected.
No water to valve.
No water from valve.
Residue buildup on water nozzle opening.
DESTROY
CHECKS & TESTS
Check power at outlet, check circuit breaker,
fuses, or junction box connections.
Check connections and harness continuity
between ACU and UI.
See Test #6: Buttons & Indicators, page 22.
Be sure the door is completely closed,
then press and hold the START button.
See Test #7: Door Switch, page 22.
See Test #3: Motor Circuit, page 15.
See Test #3: Motor Circuit, page 15.
See Test #6: Buttons & Indicators, page 22.
See Test #1: ACU Power Check, page 12.
Check lint screen and exhaust vent. Clean
if necessary.
Perform Key Activation & Encoder Test.
See Test #5: Moisture Sensor, page 21.
See Test #4a: Thermistors, page 18.
See Test #6: Buttons & Indicators, page 22.
See Test #1: ACU Power Check, page 12.
Refer customer to "Use and Care Guide".
See Test #6: Buttons & Indicators, page 22.
See Test #3: Motor Circuit, page 15.
See Test #4b: Thermal Fuse, page 20.
See Test #7: Door Switch, page 22.
See Test #3: Motor Circuit, page 15.
See Test #1: ACU Power Check, page 12.
Verify proper dryer installation.
Perform ACU L1 and L2 tests under Service
Test Mode.
See Test #4: Heat System, page 16.
See Test #1: ACU Power Check, page 12.
See Test #4: Heat System, page 16.
See Test #4: Heat System, page 16.
See Test #4: Heat System, page 16.
Increase Dryness or Dry Level setting
for one or more auto cycles.
Clean if necessary. Refer customer
to "Use and Care Guide".
Clean if necessary. Refer customer
to "Use and Care Guide".
See Test #5: Moisture Sensor, page 21.
See Test #5a: Adjusting Customer-Focused
Dryness Level, page 21.
Refer customer to "Use and Care Guide".
Verify water supply is turned on.
See Test #9: Water Valve, page 23.
Unscrew nozzle and clean if necessary.
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