Error code reference

Samsung Refrigerator Error Code R-1-c

R-DEF Sensor Error (Refrigerator defrost sensor): separation of sensor housing part, contact error, disconnection, short circuit, or sensor detecting temperature more than 149°F (+65°C) or less than -58°F (-50°C).

SourceSamsung Refrigerator - Tech Sheet: Fast Track Troubleshooting (RF18H)10/13

Diagnostic procedure

The full R-1-c 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 of MAIN PCB CN30 #4 to #8, shall be between 4.5V~1.0V.

SourceSamsung RF195/RF197/RF217 - Service Manual: Bottom Mount Freezerp. 33-34

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock R-1-c 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