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Customer Questions and Answers for Run Capacitor by Whirlpool

4.89 (64)
By: Whirlpool
Part Number: OEM18071040
Manufacturer Part Number: WPW10662129

The Run Capacitor is an OEM part for Whirlpool appliances, designed to provide the necessary electrical charge to start and run the compressor motor. This part attaches to the compressor to aids in maintaining a consistent motor speed and ensuring smooth operation. The run capacitor plays a crucial role in the appliance's electrical system, storing and releasing energy as needed to power the motor.

Causes of a bad Run Capacitor include electrical surges, wear and tear over time, or overheating, which can lead to a failure in providing the necessary start-up energy or maintaining motor speed.

Symptoms of a bad Run Capacitor include:

  • The appliance does not start.
  • The motor shuts off shortly after starting.
  • The appliance is humming but not running.
  • Increased energy consumption.

This OEM Whirlpool part can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances.

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Questions & Answers

For Whirlpool Run Capacitor (Part Number: OEM18071040)

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Answer

Bob, You will want to pull the rear cover of the freezer compartment. Check to see if there is a frost pattern on the evaporator coils. If there is no frost pattern or very little frost just at the top then there is a sealed system issue. If the evaporator coils are completely impacted with ice then there is a defrost issue. Also check to see if the fan in the freezer is operating and check to make sure that the compressor is running and that the condenser fan motor is running. If evaporator is impacted with ice then you will need to check the heater and defrost thermostat for continuity. If either do not have continuity then replace the part that does not have continuity. If they both check ok then replace the defrost control.

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Answered by AppliancePartsPros.com   |   Thursday, July 11, 2013

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