Error code reference

Samsung Refrigerator Error Code R-sensor open

Refrigerator room temperature sensor open circuit fault - sensor reading suspected to be below -50°C (above 4.5V at MICOM input).

SourceSamsung Refrigerator - Full Service Manual: SR-L627EV/SR-L629EV/SR-L677EV/SR-L679EVp. 15-16

Diagnostic procedure

The full R-sensor open 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 R-sensor resistance and wiring; replace sensor if faulty.

SourceSamsung Refrigerator - Full Service Manual: SR-L627EV/SR-L629EV/SR-L677EV/SR-L679EVp. 15-16

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

2 manuals in the MyPros+ library document this code for Samsung refrigerator.

Models covered by the manuals that document this code

75,000+ service documents · 20,000+ error codes · 100+ brands

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