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Easy Fix
Whirlpool · Refrigerators
Fresh Food Thermistor Fault
Quick Answer
Error code RC on your Whirlpool Refrigerators means: Fresh Food Thermistor Fault. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
WRF555SDFZWRQA59CNKZWRS325SDHZWRS588FIHZWRT518SZFMWRX735SDHZ
Likely Causes
  1. Fresh food (refrigerator) compartment thermistor has failed
  2. Loose or disconnected wiring at the fresh food thermistor
  3. Thermistor reading out of range due to placement near an air vent or heat source
  4. Control board input circuit for the thermistor has failed
How to Fix It
1
Unplug the refrigerator and locate the fresh food thermistor, usually mounted on or near the air damper in the refrigerator compartment
2
Disconnect the thermistor and test its resistance with a multimeter; at 37 degrees F it should read approximately 16,000 ohms
3
Check the wiring to the control board for damage or disconnection
4
Ensure the thermistor is properly positioned in its mounting bracket and not near a heat source
5
Replace the fresh food thermistor if resistance is out of the expected range
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
Fresh food thermistor (WPW10384183)
Wire connectors
Related Error Codes
C1C2C3CFEF
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