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Error code reference
Electrolux Dryer Error Code 91
User Interface communication problem with main board.
SourceElectrolux Dryer - Tech Sheet: Diagnostics & Error Codes (EFME427UIW)p. 3
Diagnostic procedure
The full 91 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
Check wiring between main control board and user interface board. 1. If wiring is good, replace user interface board. 2. If problem is not corrected, replace main control board.
SourceElectrolux Dryer - Tech Sheet: Diagnostics & Error Codes (EFME427UIW)p. 3
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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Where this code is documented
2 manuals in the MyPros+ library document this code for Electrolux dryer.
Models covered by the manuals that document this code
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