K
er rf
Easy Fix
Kenmore · Refrigerators
Refrigerator Compartment Sensor Failure
Quick Answer
Error code Er rF on your Kenmore Refrigerators means: Refrigerator Compartment Sensor Failure. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
517835182360412713227248273025
Likely Causes
  1. Fresh food compartment thermistor has failed or is reading incorrectly
  2. Sensor wiring has been pinched by a shelf or drawer in the refrigerator compartment
  3. Sensor connector is loose at the control board end
  4. Thermistor resistance has drifted permanently out of calibration
How to Fix It
1
Locate the fresh food temperature sensor, usually mounted on the ceiling or back wall of the refrigerator compartment
2
Check that no shelves or items are pressing against the sensor wire and potentially damaging it
3
Disconnect the sensor and measure its resistance (approximately 10k-30k ohms at refrigerator temperature of 37 degrees F)
4
Inspect the wire routing from the sensor back to the control board for any pinch points or damage
5
Replace the sensor if its resistance reading is significantly out of specification
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Kenmore refrigerator temperature sensor (model-specific)
Wire clips for proper routing
Related Error Codes
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