Error code reference

Frigidaire Dryer Error Code E4

Humidity sensor error

Humidity sensor error — control runs the whole cycle with default settings using timed drying instead of humidity-based drying.

First step from the service manual

If current cycle runs without fault, error code is logged at end of cycle if EEPROM is available or displayed at end of cycle.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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Step-by-step tests with expected resistance, voltage, and continuity values
Wiring diagram references and connector pinouts from the OEM service manual
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E4 on my Frigidaire Dryer

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Humidity sensor error — control runs the whole

From Service Manual 418833, p.45:

1.If current cycle runs without fault, error code is logged at end of cycle if EEPROM is available or displayed at end of cycle.

2.Measure control board supply voltage at the test points. Expected: 12 VDC and 5 VDC; a drop below 4.75 VDC on the logic rail points to a failed onboard regulator.

3.Inspect all connectors on the main control for corrosion, thermal stress, or backed-out pins. Reseat each connector with the power disconnected.

Part 5304504863

Electronic control board

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First step from the service manual

Get the full diagnostic procedure for E4.

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