Customer Questions and Answers for Motor Capacitor (Run Capacitor) by Whirlpool

This motor capacitor helps the appliance motor start and run smoothly by providing the electrical phase shift needed for motor operation. Replace a failing capacitor to restore reliable motor starting and consistent performance. What it does:

• Provides the electrical charge that helps the motor start and maintain rotation
• Commonly replaced when the motor hesitates to start or runs weakly
• Can prevent excessive motor strain and reduce occasional stalling or intermittent operation
• Related to symptoms such as humming from the motor, slow or no start, or irregular motor performance

• Disconnect power to the appliance before servicing to avoid shock hazard
• Capacitors can hold charge—discharge safely before touching terminals
• Inspect mounting and wiring; replace with the exact specified capacitor for the appliance