Error code reference

LG Refrigerator Error Code 01

Test Mode 1 display indicator - strong cold mode (compressor continuous operation, freezing BLDC motor high-speed, cooling BLDC motor on, defrost heater off, stepping motor damper fully opened).

SourceLG Refrigerator - Full Service Manual: LSC27970STp. 20

LG codes LG refrigerator codes

Diagnostic procedure

The full 01 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

Press test button once on main PCB to enter Test Mode 1.

SourceLG Refrigerator - Full Service Manual: LSC27970STp. 20

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

3 manuals in the MyPros+ library document this code for LG refrigerator.

Models covered by the manuals that document this code

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The full 01 procedure

Where this code is documented

Models covered by the manuals that document this code

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