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Error code reference
LG Refrigerator Error Code FD
Freezer defrost sensor disconnection or short circuit (displays 'Lo' for disconnection, 'Hi' for short).
SourceLG B26FT50SNS Refrigerator - Service Manualp. 4-13
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
Measure the resistance between both terminals after separating CN15 of the Main PCB. If FD-sensor is disconnected or shorted, change the FD-sensor on the evaporator.
SourceLG B26FT50SNS Refrigerator - Service Manualp. 4-13
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
2 manuals in the MyPros+ library document this code for LG refrigerator.
Models covered by the manuals that document this code
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