Error code reference

Samsung Refrigerator Error Code Er

CoolSelect Zone sensor error - connector slipped-out, open-contact, wire cut, short-circuited, or abnormal sensing temperature (+50°C and over, or -50°C and lower). LCD model only.

SourceSamsung Refrigerator RL44Q Series - Service Manualp. 39

Diagnostic procedure

The full Er 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 should be within 4.5V~1.0V between MAIN PCB CN30 #4 and #6.

SourceSamsung Refrigerator RL44Q Series - Service Manualp. 39

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

1 manual in the MyPros+ library documents 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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