Error code reference

GE Range Error Code F621

LIN communication error to/from RPSM AUX Board (when equipped).

SourceGE Profile Induction and Radiant Range - Service Manual (PHS925/PS978)p. 78

Diagnostic procedure

The full F621 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

First diagnostic step

Replace AUX Board, especially if MAIN Board relays still function.

SourceGE Profile Induction and Radiant Range - Service Manual (PHS925/PS978)p. 78

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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

6 manuals in the MyPros+ library document this code for GE range.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full F621 procedure

Where this code is documented

Models covered by the manuals that document this code

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