Troubleshooting guide

PAGE 8
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DESTROY
TROUBLESHOOTING GUIDE
PROBLEMPOSSIBLE CAUSE CHECKS & TESTS
No power to dryer. Check power at outlet, check circuit breaker,
fuses, or junction box connections.
Connection problem between AC plug and dryer.See T e st #2: Supply Connections, page 10.
Connection problem between CCU and UI.Check connections and harness continuity
between CCU and UI.
Power supplies not present at machine electronics. See T e st #1: CCU Power Check, page 9.
User Interface problem. See T e st #6: Buttons & Indicators, page 19.
Door not fully closed or striking the door latch.Be sure the door is completely closed,
then press and hold the START button.
Door Switch problem. See Test #7: Door Switch, page 19.
Drive Belt / Belt Switch problem. See Test #3: Motor Circuit, page 12.
Thermal Fuse / Motor problem. See Test #3: Motor Circuit, page 12.
User Interface problem. See T e st #6: Buttons & Indicators, page 19.
CCU problem. See Test #1: CCU Power Check, page 9.
Poor airflow.Check lint screen and exhaust vent. Clean
if necessary.
Check the Pause/Cancel button. Perform UI Component Test under
Component Activation.
Moisture Sensor problem. See Test #5: Moisture Sensor, page 18.
Thermistor problem. See Test #4a: Thermistors, page 15.
User Interface problem. See T e st #6: Buttons & Indicators, page 19.
CCU problem. See Test #1: CCU Power Check, page 9.
User selects invalid option. Refer customer to “Use and Care Guide”.
User Interface problem. See T e st #6: Buttons & Indicators, page 19.
Drive Belt / Belt Switch problem. See Test #3: Motor Circuit, page 12.
Thermal Fuse (elect. Only). See Test #4b: Thermal Fuse, page 17.
Door switch problem. See Test #7: Door Switch, page 19.
Motor problem. See Test #3: Motor Circuit, page 12.
CCU problem. See Test #1: CCU Power Check, page 9.
Check installation. Verify proper dryer installation.
Check for L1 and L2. Perform CCU L1 and L2 tests under Install
Diagnostics.
Heater system malfunction or open heater coil. See T e st #4: Heat System, page 13.
CCU problem. See Test #1: CCU Power Check, page 9.
Heater coil shorted. See Test #4: Heat System, page 13.
Heater relay shorted. See Test #4: Heat System, page 13.
Heater system problem. See Test #4: Heat System, page 13.
Dryness setting for auto cycles.Increase drying times for one or more
Lint screen full. Clean if necessary. Refer customer
to “Use and Care Guide”.
Heater vent clogged. Clean if necessary. Refer customer
to “Use and Care Guide”.
Moisture Sensor problem. See Test #5: Moisture Sensor, page 18.
Adjust Customer Focused Dryness Level. See Test #5a: Adj. Cust. Focused
Dryness Check, page 18.
Steam cycle not selected. Refer customer to “Use and Care Guide”.
No water to valve. Verify water supply is turned on.
No water from valve. See Test #9: Water Valve, on page 20.
WATER VA LVE NOT DISPENSING
(
Water valve is activated intermittently
during the steam cycle.)
WILL NOT HEAT
HEAT S IN AIR CYCLE
SHUTS OFF BEFORE CLOTHES
ARE DRY
DRUM WILL NOT SPIN
CONSOLE WON’T ACCEPT
SELECTIONS
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
auto cycles.