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Error code reference
Frigidaire Microwave Error Code F22
Communication failure between the oven user interface board and the oven relay board.
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$285
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Diagnostic procedure
The full F22 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 power, wait 30 seconds and reapply power. Check if error condition is still there.
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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