Service Fault/Error Codes - Whirlpool WED99HEDW0 Technical Education

DIAGNOSTICS & TROUBLESHOOTING

Service Fault/Error Codes

WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or
electrical shock.
Code Description
Cycle Control Unit
F1E1
(CCU) Problem
User Interface (UI)
F2E1
Problem (stuck button)
Outlet Thermistor
F3E1
Open
Outlet Thermistor
F3E2
Shorted
Compressor and Outlet
F3E5
Thermistors Open
F3E6 Moisture Sensor Open
Moisture Sensor
F3E7
Shorted
Compressor Sensor
F3E8
Open
Compressor Sensor
F3E9
Shorted
Heater Relay or
F4E1
Connector Problem
F4E3 Restricted Air Flow`
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5-6 HybridCare™ Dryer with Heat Pump Technology
For Service Technician Use Only
Explanation and Recommended Procedure
Indicates a CCU problem.
• Verify all connections to and from the CCU.
• See TEST #1: CCU Power Check, page 6-4.
Indicates a stuck button (depressed for over 20 seconds) or UI mismatch. This fault
code will ONLY appear when in the service diagnostic mode.
• See TEST #6: Buttons and Indicators, page 6-17.
Indicates that the outlet thermistor is open. Temperature drops below 18° F (> 50k
ohms).
• See TEST #4c: Thermistors, page 6-14.
Indicates that the outlet thermistor has shorted. Temperature above 250° F (< 500
ohms).
• See TEST #4c: Thermistors, page 6-14.
Indicates that the Compressor and Outlet Thermistors are open. Will occur if the P14
connector is not plugged into the CCU.
Indicates the moisture sensor strip is open. This fault code will ONLY appear when in
the service diagnostic mode.
• See TEST #5: Moisture Sensor, page 6-15.
Indicates that the moisture sensor strip has shorted. This fault code will ONLY appear
when in the service diagnostic mode.
• See TEST #5: Moisture Sensor, page 6-15.
Indicates that the compressor sensor is open. This fault code will stop the dryer.
Indicates that the compressor sensor has shorted. This fault code will stop the dryer.
Indicates no voltage detected at the heater relay. This fault code appears ONLY when
in the Diagnostic Test Mode.
• Unplug dryer or disconnect power and check that the wires are plugged into the
heater element(s) and the relay(s) on the CCU.
Indicates low air flow that may affect dryer performance.
• Confirm that airflow system is not blocked; check lint screen, secondary lint filter,
and exhaust fan.
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