Error code reference

Samsung Refrigerator Error Code Flex-Zone Sensor Error

Flex-Zone compartment temperature sensor has failed or is out of range (option).

SourceSamsung French Door Refrigerator - Service Manual: RF23BB/RF29BB/RF24BB/RF30BB Seriesp. 89

Diagnostic procedure

The full Flex-Zone Sensor 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 of MAIN PCB CN40-"18" ↔ "20" shall be between 4.5V~1.0V.

SourceSamsung French Door Refrigerator - Service Manual: RF23BB/RF29BB/RF24BB/RF30BB Seriesp. 89

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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