I have a GMNT 120-5, the vent motor is extremely noisy during operations and can be heard in the entire house. Any possibility to repair or should I just replace the motor? After a recent service call the technicians switched the blower speed to a higher level which due to the high velocity now...

Ok. I can turn the thermostat to 72 and it will stay on 64 with the fan blowing constant. Burners aren't firing. On the control board for the furnace, there is a trouble shooting light that blinks to tell you what is wrong. It blinks four times which indicates an "Open Limit Switch", and it tells...

I have a Goodman GMNT080-4 (90%). I'm having the same problem As Streatherg did back in the Nov 2006 question. I reviewed his article and tried Every thing on there but seems to be doing the same thing. The furnace kicks on for about an hour then locks out and has to be manually reset threw...

Furnace flame will stay on for 5 seconds and shut off. Led light on circuit board flashes once after it completes cycle. 1 flash indicates the following possible problems: Gas flow... Gas pressure... flame sensor... as a result, everything seems to be working normal. However, I did replace the...

I have a problem with the heat. I replaced the circuit board & pressure switch. It still flashes 3 times saying pressure switch. Heat does not come on