Customer Questions and Answers for Capacitor (Compressor Start) by Frigidaire

Compressor start capacitor that helps the refrigerator compressor start reliably so the appliance can maintain proper cooling. Replace a weak or failed capacitor to reduce hard-starting, excessive humming, or loss of cooling. What it does:

• Provides the starting boost the compressor needs to reach running speed.
• Commonly linked to symptoms like compressor humming but not starting, warm refrigerator, or frequent on/off cycling.
• Works with the compressor start circuit; a failed capacitor can prevent the compressor from starting.
• Visible damage, leakage, or failed electrical tests indicate replacement is needed.

• Disconnect power to the appliance before accessing the capacitor.
• Discharge the capacitor before touching terminals to avoid shock.
• Note wire locations or photograph connections before removal; reconnect wires exactly.