Whirlpool WED99HEDC0, Technical Education

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HybridCare™ Dryer with Heat Pump Technology
DIAGNOSTICS & TROUBLESHOOTING
For Service Technician Use Only
Service Fault/Error Codes
Code Description Explanation and Recommended Procedure
F1E1
Cycle Control Unit
(CCU) Problem
Indicates a CCU problem.
• Verify all connections to and from the CCU.
• See TEST #1: CCU Power Check, page 6-4.
F2E1
User Interface (UI)
Problem (stuck button)
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.
F3E1
Outlet Thermistor
Open
Indicates that the outlet thermistor is open. Temperature drops below 18° F (> 50k
ohms).
• See TEST #4c: Thermistors, page 6-14.
F3E2
Outlet Thermistor
Shorted
Indicates that the outlet thermistor has shorted. Temperature above 250° F (< 500
ohms).
• See TEST #4c: Thermistors, page 6-14.
F3E5
Compressor and Outlet
Thermistors Open
Indicates that the Compressor and Outlet Thermistors are open. Will occur if the P14
connector is not plugged into the CCU.
F3E6 Moisture Sensor Open
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.
F3E7
Moisture Sensor
Shorted
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.
F3E8
Compressor Sensor
Open
Indicates that the compressor sensor is open. This fault code will stop the dryer.
F3E9
Compressor Sensor
Shorted
Indicates that the compressor sensor has shorted. This fault code will stop the dryer.
F4E1
Heater Relay or
Connector Problem
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.
F4E3 Restricted Air Flow`
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.
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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