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Customer Questions and Answers for Relay And Overload by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18016461
Manufacturer Part Number: WP12555902

The Relay and Overload is an OEM replacement part for Whirlpool refrigerators. These electronic components regulate key refrigerator operations and safety measures. The relay controls the start and stop of refrigeration components like the compressor and condenser fan motor.

Symptoms of a bad relay and overload include:

  • Refrigerator failing to consistently cool or maintain temperature
  • Buzzing or humming noises coming from cooling areas
  • Tripped circuit breakers

Causes can include defective relay contacts, a burned-out overload, or worn-out electrical components internal to either part.

This OEM Whirlpool replacement is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, and select Kenmore fridge models as well. 

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Questions & Answers

For Whirlpool Relay And Overload (Part Number: OEM18016461)

1 Answer

Hello John. The wire connector should fit the unit. Make sure you have it turned over the correct way so it locks into the starter.

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1 Answer

Hello Robert. If the compressor is running, and the unit does not cool, you have a sealed system issue and will need an HVAC tech to do the repair.

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1 Answer

Hello Troy N. The overload kit WP12555902 has the three holes for the compressor terminals. You will remove the capacitor from your old one and install it onto this one.

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Barry Gill for Model Number Amana Refrigerator Compressor Relay Overload Starting Device 12555902

Old overload relay switch, white and blue wire from fridge are attached to a single post on the relay switch. New (replacement) overload relay switch white and blue wires from the fridge need to be separated and attached separately to two individual posts on the new switch: - top post is horizontal,wider and looks to be copper - side post is vertical, narrower and silver Q: which post does the white wire connect to? which post does the bliue wire connect to?

1 Answer

Hello Barry, The blue wire is your line and will go to the top post and white will go to the side post.

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1 Answer

Hello Mark. If the compressor is running, and is not cooling, you will need an HVAC tech, you have a sealed system issue. If the compressor does not run, you will need to see if the defrost timer is bad or the cold control WP67003000 is bad and will need to be replaced.

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1 Answer

Allen, The wiring to the relay should be attached in the following locations, The Blue wire(L1) should attach to the top horizontal terminal of the new assembly. The White wire (N) should attach the the vertical terminal on the right side of the assembly( in some cases, you may have to replace the 1/4 in terminal with a 1/8 in terminal). The run capacitor will slip onto the peg and slide back so the two terminals insert and lock into place in the two horizontal slots on the bottom of the assembly.

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1 Answer

Dee, At this point, you needn't work with the overload relay WP12555902 At this point it sounds like a defrost issue. Yes, the thermostat has to reach a certain temperature before the fans will start to run. You'll need to remove the freezer back wall and check the defrost heater WP10428409 defrost thermostat WP10442411 and timer R0131577 located in the compressor compartment in the back of the fridge, with a multi meter, to determine which component has failed. Thanks

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Tim for Model Number ARB224RCC

I have an Amana (ARB224RCC)purchased approximately 2003. It suddenly stopped cooling (both freezer and frig are at room temperature). 1) Power to the relay is 120v. 2) Both fans are working fine. 3) The compressor was hot to the touch before unplugging the frig. 4) The three contacts on compressor are NOT shorted out to compressor shell. 5) The relay itself is full of small black particles (like course ground pepper). They fall out with shaking. 6) Attempting to discharge the capacitor after removal showed it was NOT charged at all. Does a bad relay seem the most likely problem at this point? Does the capacitor being discharged mean anything? Does the compressor being hot-to-the-touch mean anything?

1 Answer

Hello Tim. Yes, based on the information you provided, the relay overload WP12555902 is bad and will need to be replaced on the unit.

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