Error code reference

GE Refrigerator Error Code R-1-b

Refrigerator Sensor Error - detecting temperature of sensor more than 149°F (+65°C) or less than -58°F (-50°C).

SourceGE Refrigerator - Service Manual: Profile 29 cu. ft. Bottom Freezer (PFSS9PKY, PFSS9SKY)p. 72, 76

Diagnostic procedure

The full R-1-b 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

First diagnostic step

Check voltage of MAIN PCB CN30 #6 to CN75 #1: should be between 4.5 to 1.0V.

SourceGE Refrigerator - Service Manual: Profile 29 cu. ft. Bottom Freezer (PFSS9PKY, PFSS9SKY)p. 72, 76

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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

4 manuals in the MyPros+ library document this code for GE refrigerator.

Models covered by the manuals that document this code

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The full R-1-b procedure

Where this code is documented

Models covered by the manuals that document this code

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