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Error code reference
GE Range Error Code F40
Communication failure between oven and cooktop control boards.
SourceGE Induction Range - Service Manual (FFIF3054TS/D, LFIF3054TF/D, FGIF3036TF/D)p. 38
Diagnostic procedure
The full F40 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
Turn range OFF, unplug power cord, wait 30 seconds, reapply power; check harness from MACS2 on cooktop control board to P6 on EOC.
SourceGE Induction Range - Service Manual (FFIF3054TS/D, LFIF3054TF/D, FGIF3036TF/D)p. 38
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
1 manual in the MyPros+ library documents this code for GE range.
Models covered by the manuals that document this code
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