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Customer Questions and Answers for Refrigerator Defrost Timer by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18031698
Manufacturer Part Number: WP68233-2

Fridge not cooling or running constantly? A faulty defrost timer causes frost buildup and temperature swings. Most DIYers replace it in 15 minutes.

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Questions & Answers

For Whirlpool Refrigerator Defrost Timer (Part Number: OEM18031698)

Edward F for Model Number LRSC20A/9M01A

Hello, I have a older Maytag refrigerator that we use in the garage. The freezer side gets somewhat cold and the fridge side is warm. The coils inside the freezer side were completely covered with ice. The Defrost Thermostat (WP52085-29) was replaced and I have checked the Defrost Heater Assembly (WP61001846) for conductivity. No break in the Heater Assembly. So I may have to replace the Defrost Timer (WP68233-2). But my problem is trying to locate the Defrost Timer in this Maytag model (LRSC20A/9M01A). I have seen the online diagram of the Timer, but it does not really tell or show me where it is located. Can you please help me with this? Is it on the freezer or fridge side? A better diagram would help. I attempted to search for a service manual, but all sites indicate not available. Thank you in advance.

1 Answer

Edward F,
The defrost timer should be found in the controls area in the refrigerator close to the thermostat.

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1 Answer

John,
Yes, that is correct for the defrost heater and defrost thermostat. The defrost timer however is in the machine compartment at the lower back of the refrigerator.

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1 Answer

Meg S,
Thanks for the question and sorry we don't have a video specific to the model in question but we do have one that is in general to the brand.
https://www.youtube.com/watch?v=4MYn-BFIycM

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1 Answer

Hello John,
this is an old model design, according to the parts index it is located on the inside of the rear refrigerator cabinet just to the side of the compressor area, usually the left side. Remove the rear compressor cover and look on the inside of the cabinet, it will have two mounting screws holding it in place.

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Dennis for Model Number MSD2732GRW

Refrigerator has been working flawlessly. We left on 3 month trip to find freezer and fresh food sections to be 49 degrees. Unplugged waited 30 minutes plugged back in fan and compressor came on and run, temperature inside dropped down to 50 degrees air blowing is 50 degrees on coldest setting. Everything sound normal compressor is running, condenser fan is blowing interior fan is blowing. What can I do to trouble shoot or what is most likely part failure?

1 Answer

Dennis,

You would want to check the evaporator coils and make sure that there is a good even frost pattern. If there is very little frost on the coils then service would be required to repair this issue.

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1 Answer

Hello Tom. First disconnect power. Then you will reach to the back of the cover in the top and there will be 2 slots to put your finger. Pull down and forward in those spots and it should allow you to remove the panel. Next remove the screws from the upper housing and drop it down to access and replace the timer on the unit.

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1 Answer

Ed,

The defrost timer would be located either in the back of the unit on the side of the frame or on the front of the unit under the kickplate on the frame. You may have to look for a hole that has a dial in it.

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1 Answer

Michael,

If the thermostat and defrost heater check good for continuity and the units evaporator is getting impacted with ice then the defrost control will be part number 61005988.

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