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Error code reference
LG Range Error Code FD
Probe failure - shorted probe.
SourceLG 30" Sealed Burner Gas Range - Service Manual (LRG30357ST)p. 49
Diagnostic procedure
The full FD 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
Check meat probe resistance (56K ohms at room temperature at CN2 pins 1 to 2 with CN2 disconnected from board).
SourceLG 30" Sealed Burner Gas Range - Full Service Manual (LRG30855ST/LRG30355ST)p. 49
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 LG range.
Models covered by the manuals that document this code
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