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Whirlpool & Maytag 9.2 Cu. Ft. Steam Dryer
DIAGNOSTICS & TROUBLESHOOTING
For Service Technician Use Only
Service Fault/Error Codes
Code
Description
Explanation and Recommended Procedure
F1E1
Motor Relay Stuck On
Indicates an ACU problem.
• Replace the ACU.
F1E3
Incorrect Controller
Installed (on electric
models only)
Verify that the part numbers of the ACU and the User Interface are correct for the
dryer model displaying the fault/error code. Replace the ACU and/or UI that does not
match.
F1E5
Parameter Memory
Invalid
ACU parameter file missing: replace the ACU.
F2E1
User Interface (UI)
Stuck Button
Indicates a stuck button (depressed for over 20 seconds). This fault code will ONLY
appear when in the service diagnostic mode. See TEST #6: Buttons and Indicators,
page 3-19.
F2E3
User Interface (UI)
Mismatch
Indicates a UI and ACU model ID parameter mismatch caused by replacement of
either the UI or ACU with an incorrect part number.
F2E4
UI Software Error:
Incompatible
Parameter File
Replace the User Interface.
F2E5
UI Software Error:
Parameter Memory
Invalid
Replace the User Interface.
F3E1
Exhaust Thermistor
Open/Shorted
Indicates that the exhaust thermistor is open or shorted. If the temperature drops
below 18° F (> 50k ohms), the exhaust thermistor is open. If the temperature is
above 250° F (< 500 ohms), the exhaust thermistor has shorted. May occur if the J14
connector is not plugged into the ACU. See TEST #4a: Thermistors, page 3-14.
F3E2
Moisture Sensor Open/
Shorted
Indicates the moisture sensor strip is open or shorted. This fault code will only appear
when in the service diagnostic mode. See TEST #5: Moisture Sensor, page 3-17.
F3E3
Inlet Thermistor Open/
Shorted
Indicates that the inlet thermistor is open or shorted. If the temperature drops below
18° F (> 245k ohms), the inlet thermistor is open. If the temperature is above 391° F (<
328 ohms), the inlet thermistor has shorted. See TEST #4a: Thermistors, page 3-14.
F3E7
Rear Moisture Sensor
Open/Shorted (Maytag
Models Only)
Indicates the rear moisture sensor strip is open or shorted. This fault code will only
appear when in the service diagnostic mode. See TEST #5: Moisture Sensor, page 3-17.
F4E1
Heater 1 Failure or
Connector Problem
Indicates no voltage detected at the heater relay.
• Unplug dryer or disconnect power and check that the wires are plugged into the
heater element(s) and the relay(s) on the ACU.
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Failure to do so can result in death or
electrical shock.
Replace all parts and panels before operating.
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