Error code reference

LG Refrigerator Error Code R1 R2 R3 ON

Ambient (RT) sensor open or short circuit.

SourceLG Top Freezer Refrigerator - Full Service Manual (795 Series)p. 24

Diagnostic procedure

The full R1 R2 R3 ON 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 each sensor.

SourceLG Top Freezer Refrigerator - Full Service Manual (795 Series)p. 24

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock R1 R2 R3 ON procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

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

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax