Error code reference

LG Range Error Code F20

Lower oven door lock failure: door lock switch does not operate properly after lock motor rotates twice.

SourceLG 30" Slide-In Gas Double Range - Service Manual (LTG4715)p. 8-2

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 electrical wiring, then check lock motor resistance and micro switch.

SourceLG 30" Gas Double Oven Range - Service Manual (LDG4313/4315)p. 8-2

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

24 manuals in the MyPros+ library document this code for LG range.

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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