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Error code reference
LG Refrigerator Error Code 1-2-3-4-5
Control panel lights blinking sequentially indicates the refrigerator is in store demo (demonstration) mode.
SourceLG Top Freezer Refrigerator - Use & Care Manual (LTC19340/LTC22350)p. 28
Diagnostic procedure
The full 1-2-3-4-5 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
Open both the refrigerator and freezer doors. Push in both door switches and at the same time press and hold the Temperature Adjust button for 5 seconds.
SourceLG Top Freezer Refrigerator - Use & Care Manual (LTC19340/LTC22350)p. 28
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 LG refrigerator.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
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