Skip to main contentStart diagnosing F2 on your Frigidaire oven
What this code means
Communication problem — includes F21 (communication problem with auxiliary board) and F23 (communication problem with TST board/glass panel).
First step from the service manual
Verify wiring between controller (P4 and P10), auxiliary board (P1) and glass panel (J1).
Next steps: diagnose the root cause
1
Verify the error code is active
Power cycle the unit and see if the code returns. If it does, the fault is persistent and requires diagnosis.
2
Get the full diagnostic procedure
Get step-by-step guidance, test values, and wiring diagrams from the OEM service manual.
$29/month · Cancel anytime · Or $9.95 3-day pass
What’s available for Frigidaire oven models
Access Frigidaire oven service manuals, wiring schematics, exploded parts views, and error code references on MyPros+.