Error code reference

Samsung Refrigerator Error Code COMP UNDER VOLTAGE ERROR

Low input voltage detected at the compressor inverter circuit.

SourceSamsung Side-by-Side Refrigerator - Service Manual (RSG307/RSG309/RS30G)p. 47, 62

Diagnostic procedure

The full COMP UNDER VOLTAGE ERROR 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 voltage/resistance of R309, R310, R311, R312, C308 (Short/Open); check input voltage.

SourceSamsung Side-by-Side Refrigerator - Service Manual (RSG307/RSG309/RS30G)p. 47, 62

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock COMP UNDER VOLTAGE ERROR procedure $9.95

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

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