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Customer Questions and Answers for Compressor Start Relay (Ptc) by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18015582
Manufacturer Part Number: WP10097202

This PTC start relay plugs onto the compressor to momentarily power the start winding and help the compressor spin up smoothly. Replacing a failed relay can stop repetitive clicking and help restore stable cooling performance. What it does:

  • Momentarily energizes the compressor's start winding at startup; the PTC element then increases resistance to take the start winding out of the circuit.
  • Helps protect against repeated hard-start attempts that cause clicking and no-cool conditions.
  • Common failure signs include repeated clicking, the compressor not starting, warm temperatures, burn marks/melted housing, or a relay that rattles when shaken.
  • Mounts directly on the compressor terminals and interfaces with the model-specific overload and cover.
What's included:
  • 1 PTC start relay
Install notes:
  • Disconnect power and allow components to cool before servicing.
  • Access the compressor compartment; remove any cover/retainer to reach the start device.
  • Note wiring and orientation; pull the old relay straight off the compressor pins and push the new relay fully onto the pins. Reconnect wires and reinstall the cover.
  • Use only the start device specified for your exact model/compressor. If the old relay shows heat damage, inspect the matching overload and wiring for issues.

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Questions & Answers

For Whirlpool Compressor Start Relay (Ptc) (Part Number: OEM18015582)

1 Answer

Billy, You will want to check to make sure that the compressor is running. If the compressor is not running then most likely the start device has failed and will need to be replaced. The start device will be part number WP10097202.

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1 Answer

Melissa, With the freezer working but the refrigerator section not then this would most likely be an issue with the damper control that is faulty. The part number for the damper is R0161049.

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1 Answer

Rainier, The most common reason for the compressor to not run would be a faulty start device. The part number for the relay on your unit is WP10097202.

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1 Answer

Hello Doug. It should install the same as the old part. We can not get a wiring diagram because it is a Kenmore. Thanks.

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