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Error code reference
Electrolux Dryer Error Code E4
Humidity sensor detecting circuit (circuit and components) on the main control board is damaged.
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Diagnostic procedure
The full E4 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Control will run whole cycle with cycle default setting using timed drying instead of humidity sensor; error code is logged at the end of cycle if EEPROM is available or displayed at end of cycle.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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