Troubleshooting Guide - Maytag MGD6500MBK Technical Manual

TROUBLESHOOTING GUIDE

PROBLEM
WILL NOT POWER UP
- No operation
- No button 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 intermit-
tently during the steam cycle.)
WATER LEAKING FROM DRYER
(ON SOME MODELS)
(Too much water being dispensed
during steam cycles)
FOR SERVICE TECHNICIAN'S USE ONLY
POSSIBLE CAUSE
No power to dryer
Connection problem between AC plug and dryer
Connection problem between ACU and HMI
Power supplies not present at machine electronics
HMI problem
Door not fully closed or striking the door latch
Door Switch problem
Drive Belt problem
Thermal Fuse / Motor problem
HMI problem
ACU problem
Poor airflow
Check the Start/Pause button
Moisture Sensor problem
Thermistor problem
HMI problem
ACU problem
User selected invalid option
HMI problem
Drive Belt problem
Thermal Fuse
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
Dry Cycle selection
Lint screen full
Dryer vent clogged
Moisture Sensor problem
Steam cycle not selected
No water to valve
No water from valve or residue buildup on water
nozzle opening
Relay or water valve stuck
CHECKS & TESTS
Check power at outlet, check circuit breaker, fuses, or junction box
connections.
See Test #2: Supply Connections, page
Check connections and harness continuity between ACU and HMI.
Test #1: ACU Power Check, page 18.
See Test #6: HMI, page 24.
Be sure the door is completely closed, then press and hold the START button.
See Test #7: Door Switch, page 24.
See Test #3: Motor Circuit, page 20.
See Test #3: Motor Circuit, page 20.
See Test #6: HMI, page 24.
Test #1: ACU Power Check, page 18.
Check lint screen and exhaust vent. Clean if necessary.
Perform button Activation & Encoder Test.
See Test #5: Moisture Sensor, page 23.
See Test #4a: Thermistor, page 22.
See Test #6: HMI, page 24.
Test #1: ACU Power Check, page 18.
Refer customer to "Use and Care Guide."
See Test #6: HMI, page 24.
See Test #3: Motor Circuit, page 20.
See Test #4b: Thermal Fuse, page 23.
See Test #7: Door Switch, page 24.
See Test #3: Motor Circuit, page 20.
Test #1: ACU Power Check, page 18.
Verify proper dryer installation.
See Test#2: Supply Connections, page
See Test #4: Heat System, page 21.
Test #1: ACU Power Check, page 18.
See Test #4: Heat System, page 21.
See Test #4: Heat System, page 21.
See Test #4: Heat System, page 21.
Select More Dry cycle to increase dryness level in the Auto cycle. Increase
Temperature and Time for timed 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
Refer customer to "Use and Care Guide."
Verify water supply is turned on.
See Test #8: Water Valve, page 24.
See Test #8: Water Valve, page 24.
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