Error code reference

GE Oven Error Code F20

Thermal runaway: oven temperature climbs above the Error Unlock Temperature while the latch input is false (door is not locked).

SourceGE Appliances Combination Wall Oven - Full Service Manual (27" & 30")p. 70

GE codes GE oven codes

Diagnostic procedure

The full F20 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

Check resistance of oven sensor circuit on ERC (T012) at CN300 pin 1 to 3 (white to white/black) or on Machine Control board connector J300 pins 1 to 2 (white to white/black). Verify against sensor resistance chart.

SourceGE Wall Ovens - Full Service Manual: Single & Double (JK/JT Series)p. 58, 60

Unlock with pass

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

5 manuals in the MyPros+ library document this code for GE oven.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full F20 procedure

Where this code is documented

Models covered by the manuals that document this code

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