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Error code reference

GE Refrigerator Error Code R-10- b

Pantry Sensor Error

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What the R-10- b error code actually means

Your GE refrigerator is detecting a problem with the temperature sensor in the pantry or controlled-temperature drawer. The sensor may be disconnected, damaged, or reading temperatures that are clearly outside the normal range, so the refrigerator is alerting you that it cannot properly monitor that compartment. This issue should be addressed promptly to ensure the pantry section maintains safe food storage temperatures.

Diagnostic procedure

The full R-10- b procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check voltage of MAIN PCB CN30 #8 to #9; should be between 4.5V to 1.0V.
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Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of R-10- b

Ranked by how often they cause this code
  1. 1Loose or disconnected sensor connector
  2. 2Failed pantry thermistor sensor
  3. 3Physical separation of sensor from housing
  4. 4Damaged wiring harness
  5. 5Faulty main PCB

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Questions people ask about R-10- b

What does R-10- b mean on a GE refrigerator?
R-10-b is a pantry sensor error code indicating that the main PCB has detected a problem with the pantry compartment temperature sensor circuit. The fault may be caused by a disconnected sensor, a short circuit, damaged wiring, physical separation of the sensor housing, or a temperature reading beyond the valid range of above 149°F or below -58°F. The control board monitors this sensor at connector CN30 pins 8 and 9, where voltage should normally fall between 1.0V and 4.5V.
Is it safe to keep using my GE refrigerator when R-10- b is displayed?
When this error is active, the refrigerator cannot reliably monitor or control the temperature in the pantry compartment. Food stored in that section may not be held at a safe temperature. It is best to remove perishables from the pantry drawer and address the fault promptly rather than continuing to use that compartment.
How much does it cost to repair a GE refrigerator with error code R-10- b?
Repair costs vary depending on the root cause. Replacing a pantry thermistor sensor typically involves part costs in the range of $20 to $75, while a damaged wiring harness repair can add labor time. If the main PCB is at fault, replacement board costs generally range from $100 to $300 or more depending on the model. Professional diagnostic and labor fees will add to the total cost.
Can I fix error code R-10- b myself on a GE refrigerator?
Some causes of this error are DIY-friendly, such as reseating a loose connector or visually inspecting the sensor housing for separation. If the issue requires replacing the pantry thermistor sensor or a damaged wiring harness, a homeowner with basic appliance repair experience can often complete the repair. Testing voltage at CN30 pins 8 and 9 requires a multimeter and comfort working near live appliance circuits, so those without electrical experience should consider calling a technician.
Will resetting my GE refrigerator clear the R-10- b error code?
A power reset may temporarily clear the error display, but if the underlying sensor or wiring fault is still present, the code will return once the control board runs its diagnostics again. A reset alone does not fix the problem and should not be relied on as a solution. The sensor circuit needs to be inspected and repaired for the code to clear permanently.

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