Customer Questions and Answers for Start Device (Refrigerator Compressor) by Whirlpool

This refrigerator compressor start device supplies the initial boost to start the compressor and supports reliable operation. When it weakens or fails, you may hear clicking from the rear and experience poor cooling or a compressor that won't run. What it does:

• Sends momentary power to the compressor's start winding for dependable start-up
• Opens the start circuit once the compressor is running
• Works with the compressor's protection to prevent overheating damage
• Failure symptoms may include: warm temps or no cooling, compressor won't start, or repeated clicking/humming then shutting off

• One start device assembly

• Disconnect power before servicing
• Access the compressor compartment (rear lower panel); locate the start device on the side of the compressor
• Note wire positions, pull the old device straight off the compressor pins, and seat the new device fully; reconnect wiring
• Reinstall panels and restore power; allow temperatures to stabilize