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c2
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Whirlpool · Refrigerators
Defrost Heater Circuit Failure
Quick Answer
Error code C2 on your Whirlpool Refrigerators means: Defrost Heater Circuit Failure. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
WRF555SDFZWRQA59CNKZWRS325SDHZWRS588FIHZWRT518SZFMWRX735SDHZ
Likely Causes
  1. Defrost heater has burned out resulting in an open circuit
  2. Defrost thermostat tripped and not resetting due to evaporator overheat
  3. Loose or corroded wiring connections at the defrost heater terminals
  4. Main control board defrost relay failure
How to Fix It
1
Unplug the refrigerator and remove the rear freezer panel to access the evaporator and defrost heater
2
Visually inspect the defrost heater for visible breaks or physical damage
3
Test the defrost heater with a multimeter for continuity; it should read between 20-40 ohms
4
Check the defrost thermostat for continuity as it is wired in series with the heater
5
Replace the defrost heater if it reads open circuit (no continuity)
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Defrost heater assembly (WPW10292572)
Defrost thermostat (WPW10225581)
Insulation tape
Related Error Codes
C1C3CFEFCC
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