Failure Code Indications - Whirlpool MH3184XPB Service Manual

FAILURE CODE INDICATIONS

NOTE: Many of the problems listed in the
chart below may be solved by power cycling:
unplug microwave oven or disconnect power.
Failure Codes Indications
Display Likely Failure Condition
Flashing Power failure
colon ":"
F2 Membrane switch failure
F3H Humidity sensor out of
range
F6 Microwave relay failure
After one minute, plug in microwave oven or
reconnect power.
Recommended Repair Procedure
After a power failure, the colon ":" will be flashing. Press any key to end this
indication. The colon will then be steady when in standby.
1. Unplug microwave oven or disconnect power.
2. Replace membrane switch.
3. If problem persists, replace electronic control.
4. Replace all parts and panels before operating.
5. Plug in microwave oven or reconnect power.
1. Unplug microwave oven or disconnect power.
2. Connect a new sensor to the electronic control (at P1).
Replace all parts and panels before operating.
3.
4.
Plug in microwave oven or reconnect power.
5. If problem persists, unplug microwave oven or disconnect power.
6. Replace electronic control.
7. Replace all parts and panels before operating.
Plug in microwave or reconnect power.
8.
1. Unplug microwave or disconnect power.
2. Check wiring to Relay 4903 for short circuits.
3. If wiring is OK, replace electronic control.
4. Replace all parts and panels before operating.
5. Plug in microwave oven or reconnect power.
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