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Error code reference
Frigidaire Dehumidifier Error Code E4
Communication failure between the display circuit board and the main control circuit board.
SourceFrigidaire Dehumidifier - Use & Care Manual (16120100A12915)p. 7
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
Contact authorized Electrolux Service Center.
SourceFrigidaire Dehumidifier - Use & Care Manual (16120100A12915)p. 7
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 Frigidaire dehumidifier.
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