Models > MDH40TF1

MDH40TF1 Frigidaire Dehumidifier - Overview

Get Parts and Repair Help for MDH40TF1

If you know the dehumidifier repair part you need, you can browse the list of all parts on the MDH40TF1, or you can search by name or part description. You can also find your part by where it is located on the MDH40TF1 by selecting a section below. Installation instructions provided by other do-it-yourselfers will help guide you through your repair.

Sections of the MDH40TF1 [Viewing 2 of 2]

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Compressor Start Relay






Humidistat Control

This control needs to be replaced if the dehumidifier won't shut off.






Water Container Reservoir

This container no longer includes the float. Must order float separately.


Auto Shut Off Switch

Fan Motor

Search Instructions
Keep searches simple, eg. "belt" or "pump". Need help?

This dehumidifier is the best we have ever had but the water reservoir container split and the float broke off.

  • Customer: Shelah from Grove City OH
  • Difficulty: Really easy
  • Time to Complete: Less than 15 mins
  • Tools Required:
  • 8 of 12 people found this instruction helpful
Never dreaming I could find a replacement, I went searching on the internet anyway and found the model which had been discontinued however the container and float were still available. It took two minutes to put the new float in and the reservoir container on the unit. It works great!!! read more

Compressor was short cycling

  • Customer: Sherman from Tuttle OK
  • Difficulty: Easy
  • Time to Complete: 30 - 60 mins
  • Tools Required: Screw drivers
  • 6 of 10 people found this instruction helpful
Removed the cowling with a square drive screw driver, removed the spring clip from the cover of the compressor controls with a screw driver, pulled off the old compressor start relay and replaced it with the new part. Since other problems could have caused the compressor to short cycle this was a "replace the part and hope it would work" since that would be ... read more

The compressor would not run.

  • Customer: Linda from Gurnee IL
  • Difficulty: Easy
  • Time to Complete: 30 - 60 mins
  • Tools Required: Screw drivers
  • 5 of 9 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. read more