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What would keep fan from coming on if unit lights off. fan works if manually ingaged at relay.

Flame sensor dirty or out of position, , check pressure switch .

loose connections to fan . rollout switch not working .

Oct 30, 2016 | Goodman Heating & Cooling

1 Answer

Goodman gas heater model GUE080-4 . pilot lighs , but furnace will not . Electronic pilot lights & stays on for about 1 min, than shuts off seems main gas relay not switching on.need manual

Check roll out switches located around burner compartment.
there is a small square button between the wire terminals press firmly down on it to rest switches. If this solves the problem have the furnace cleaned and checked by a professional HVAC technician.


Jan 06, 2015 | Goodman Heating & Cooling

1 Answer

I am having issue with my Goodman airflowing heater system. I have changed the theromstat since my previous one seems to have messed up. Now I am having issues with my heater turning on and staying on even...

Hello, this could be a control board issue with the relay on the board sticking and in that case the board must be replaced, or the thermostat could be wired incorrectly.

Feb 10, 2011 | Goodman GMS90703BXA Heater

1 Answer

How do I run the low voltage wire for a Honeywell bypass humidifier to a new Goodman gas furnace. I need the instructions symplified. Is a current relay sensor necessary? How about the brown wire that...

Take the power from the fan after the on off switch then to a transfomer then up to the stat that goes with the humidfier then down to the humidfier,

Nov 29, 2010 | Goodman GMS90703BXA Heater

2 Answers

GOODMAN GMS9 limit switch

check the temp on the switch.Any switch will work as long as it has the same temp setting.

Oct 30, 2009 | Goodman GMS90703BXA Heater

1 Answer

Goodman heater blower runs on own won't stop after flame shuts of

bad blower relay or timer. replace board.
shorted thermostat wires. check.

Feb 19, 2009 | Goodman GMS90703BXA Heater

1 Answer

Goodman gmnt100-4 blows all the time

is it a gas furnace? have you checked your filters? when the blower runs continuosly apon start up most of the time it is a limit tripped. Goodman puts 2 manual reset on the side of the blower motor hard to get at , but 1 may be tripped, i have been on 7 service calls and all the same problem filter plugged and limit tripped.

Oct 28, 2008 | Goodman GMS90703BXA Heater

1 Answer

Goodman GMP100-4

You have either a misadjusted fan switch or a bad fan relay. Or your thermostat has a fan switch on it that may be in the "On" position. Check the thermostat first, then if that is not the case, you will need to call your technician.

Jun 07, 2008 | Goodman GMS90703BXA Heater

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