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colman furnace takes a long time to start

Posted: Tue Nov 02, 2010 8:41 am
by carl t
I have a colman funace Mod#DGRT075AUB Ser# 946164820 it does run but it takes an extra long time for it to heat up as in the burners light up but it takes up to halve an hour maybe longer for the blower to start do you think it maybe a bad limit switch? also if the air pump motor is bad or not fuctioning could it cause the same problem when i look in to the burner housing the flame does not look big enough to me any help is appreciated

thanks carl t

Re: colman furnace takes a long time to start

Posted: Tue Nov 02, 2010 6:50 pm
by Robert
Inspect burner tube and burner orifice for blockage (spider-web-bugs).


Thanks,
Robert