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W
di
Moderate
Whirlpool · Refrigerators
Defrost Initiation Error
Quick Answer
Error code DI on your Whirlpool Refrigerators means: Defrost Initiation Error. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
WRF555SDFZWRQA59CNKZWRS325SDHZWRS588FIHZWRT518SZFMWRX735SDHZ
Likely Causes
  1. Adaptive defrost control logic failure on the main control board
  2. Defrost timer circuit malfunction within the control board
  3. Repeated defrost cycle failures causing the control to halt defrost operations
  4. Incorrect thermistor readings preventing defrost cycle from initiating
How to Fix It
1
Enter the diagnostic mode by following the model-specific key sequence outlined in the technical data sheet
2
Run the forced defrost test to verify whether the defrost heater activates
3
Check the defrost heater, thermostat, and sensor for proper operation as described in codes C1 through C3
4
If all defrost components test good but the defrost cycle does not initiate, the main control board defrost logic may be faulty
5
Replace the main control board if the defrost cycle cannot be initiated through diagnostics
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
Main control board (W11310252)
Defrost heater assembly (WPW10292572)
Defrost thermostat (WPW10225581)
Related Error Codes
C1C2C3CFEF
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