Description
Regulate the crucial defrost cycles in your refrigerator with the "Whirlpool 4388931 Refrigerator Defrost Control Board". This electronic board replaces the traditional defrost timer, accurately managing the intervals between cooling cycles and the activation time of the defrost heater. A functional control board is vital for preventing excessive frost buildup on the freezer coils, which can severely impact cooling performance.
Features & Benefits:
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Precise Cycle Management, Uses electronic logic to accurately control the refrigerator's defrost intervals and run times.
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Energy Efficiency, Optimizes the defrost cycle duration to conserve energy while preventing ice accumulation.
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Complete Kit, Includes the electronic board, wiring harness, and mounting screws for a straightforward replacement.
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OEM Reliability, Manufactured to Whirlpool's exact electrical specifications to ensure compatibility and long-term performance.
- Common Symptoms That Indicate Replacement:
- Refrigerator is running constantly but is not cooling due to severe frost buildup on the evaporator coils.
- The defrost heater is not activating or runs for incorrect periods.
- The refrigerator cooling cycles are inconsistent or erratic.
- An audible clicking sound or signs of electrical damage on the existing control board.
Compatible Models Include:
- W8RXNGMWL00
- W8RXNGMWD00
- W8RXNGMWQ00
- W8RXNGMWB00
- W8RXNGMWS00
Cross-Reference / Replaces:
4388931, TIMERDEF
Compatibility Note:
Always unplug the appliance before beginning the repair. Check your refrigerator’s full model number to confirm that this electronic defrost control board is the correct part for your unit.