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I have a Frigidaire window unit heater/ac. mdl# XXXXX

 
Rick Mather's Avatar
  • Answered by:Rick Mather
  • HVAC Technician
  • Positive Feedback: 94.1 %
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Customer Question

I have a Frigidaire window unit heater/ac.
mdl# XXXXX
ser#KKK95004763

The compressor runs continuously regardless of on/off status, mode selection, thermostat setting, fan speed, or anything else. The ONLY way to get the compressor to stop is to pull the plug.

How do I fix it?

Thank you.

 

Optional Information:
Brand: Frigidaire
Type of Appliance: Other

Already Tried:
Setting the thermostat, changing modes, turning the unit off, and pulling the plug. Only the last one was successful.

Submitted: 336 days and 21 hours ago.
Category: HVAC
Value: $30
Status: CLOSED

Accepted Answer

Picture
Expert:  Rick Mather replied 336 days and 20 hours ago.


Rick Mather :

The control board must have relay and or small contactor that has fused contacts which maybe hard to find parts and access at without removal of units outer casing

Rick Mather :

These units have become almost throw away items because they are so inexpensive now

Rick Mather :

with cost of labor and parts it does not make sense on some repairs

Rick Mather :

this may be one one those times

Customer :

Where do I get a replacement control unit?

Rick Mather :

From a frigidaire dealer

Rick Mather :

it would be a OEM part

Customer :

Okay.

Rick Mather :

Good Luck

Customer :

When you say to simply throwaway and replace, I assume you refer to the control board, not the entire ac unit. Correct?

Rick Mather :

well that would depend on cost of part before I would make that choice

Rick Mather :

but would be leaning towards total replacement of unit depending on its age also

Customer :

I agree.

Customer :

I keep trying to reply, but there is no response...starting to think pc is in cahoots w/ ac unit. ;o)

For your info, this unit has only been in service about 18 mos. and is not exposed to weather.

Rick Mather :

OK good luck then and if you more assistance just ask on post

Rick Mather :

Check warranty info it may be covered

Customer :

Ok. Should I end this chat, or wait until I've got enough info to make the decision...just in case I have more Qs.

Rick Mather :

you can leave open or accept and still get more info your choice

Rick Mather :

Have to leave but will check back soon

Customer :

Rick: Found out that only sealed sys components are covered after first year. $100 for control board from local parts dealer. O.w. been happy w/unit.

Rick Mather :

Compared to newer one is the main factor

Rick Mather :

It maybe worth fixing this one

Rick Mather :

But what caused the relay to fused together in the first place and whats to say it does not happen again

Rick Mather :

shop a new unit is my last stance don't put good money into bad

Customer :

Okay. Finished replacing board. Seems to be working okay. I checked continuity across compressor relay on old board, but it indicates open. Go figure. At any rate, it's fixed for the moment. Only time will tell. Thanks for your help.

Customer :

Expert TypeHVAC Technician
Category: HVAC
Pos. Feedback: 94.1 %
Accepts: 3080
Answered: 5/11/2012

Experience: 35 years experience, HVAC

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