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Error code reference
Frigidaire Washer Error Code E91
Communication error between the User Interface Board and the Main Control Board.
SourceFrigidaire Top Load Washer - Service Manual: FFTW1001p. 67
Diagnostic procedure
The full E91 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
Disconnect connector CN3 which connects Main Control Board and Display Board, then check if E91 alarm appears again.
SourceFrigidaire Top Load Washer - Service Manual: FFTW1001p. 67
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
14 manuals in the MyPros+ library document this code for Frigidaire washer.
Models covered by the manuals that document this code
- 137317800
- 194177
- 4110200
- 5995625778A
- CARE1011MW0
- CLCE600RW0
- FAFW3574JW0
- FAFW3574KA0
- FAFW3574KB0
- FAFW3574KN0
- FAFW3574KR0
- FAFW3574KW0
- FAFW3577KA0
- FAFW3577KA1
- FAFW3577KB0
- FAFW3577KB1
- FAFW3577KN0
- FAFW3577KN1
- FAFW3577KR0
- FAFW3577KR1
- FAFW3577KW0
- FAFW3577KW1
- FAFW3801LW
- FAHE1011MW0
More models are covered than are listed here.
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