BBB A-Plus

The compressor would not run.

ApplianceFrigidaire Dehumidifier

ModelMDDQ40HF1

Level of DifficultyEasy

Time to do repair30 - 60 mins

Age of Appliance5 - 10 years

Tools Screw drivers

Linda From Gurnee, IL

Aug 12, 2011

2 out of 5 people found this instruction helpful

I removed the cover, used a multimeter to test the compressor circuit, and found the compressor start relay to be defective.
Ordered a new one and installed it when it arrived.

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Diagrams and Parts List for this repair

Part PhotoPart DescriptionPriceAvailability

Compressor Start Relay

Part Number: PS426380
$25.05
  In Stock