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DGAT blower goes off/on 7 times
Posted: Thu Sep 01, 2011 3:41 pm
by guitarzan
About 2 min after cooling starts the fan relay goes off/on about 7 times then runs fine for the rest of the cycle. I have changed tstat/ wire/ board/ comp contactor. Have 26 v from xformer. If I disconnect yellow wire to contactor fan runs fine.
db
Re: DGAT blower goes off/on 7 times
Posted: Thu Sep 01, 2011 6:53 pm
by Bill
Hi and welcome
If you could please list your whole model number i will be able to look up your furnace and help out more with your problem.
Thanks
Bill
Re: DGAT blower goes off/on 7 times
Posted: Sun Sep 04, 2011 3:29 pm
by guitarzan
DGAT070BDD
Re: DGAT blower goes off/on 7 times
Posted: Wed Sep 07, 2011 4:44 pm
by Bill
Hi
Just wondering if you have tried to change the run capacitor on the fan?
Thanks
Bill
Re: DGAT blower goes off/on 7 times
Posted: Thu Sep 08, 2011 6:55 am
by guitarzan
I assumed that because the blower starts and runs for about 2 min and then will run for a long time after the on/off thing that the cap IS GOOD. The relay on the board goes off and on and again I assume the relay is turning the blower off and on. Also, this issue ONLY happens when the outside contactor is engaged. However, I will try the cap because I'm out off ideas. Thanks for your input. Just talking about the issue helps me try to understand it.