miller furnace will fire, blower always runs - http://www.hvacmechanic.com/ Forums
Original message
| motcityman
 |  "miller furnace will fire, blower always runs"
, posted Tue 28 Oct 09:42  
I have a Miller furnace in my daughter trailer and the fan runs all the time and the furnace will not start with heat. I have removed the thermostat from the wall and the fan still runs. it is a 90+ and red light is always flashing. I am not sure where to start looking with the new bells and whisles. any help would be greatful for her and the kids. thanks
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| djgilbert
| "Re(1):miller furnace will fire, blower always" , posted Tue 28 Oct 19:54
Look on the blower door, there should be a diagnostic chart to show what the lights indicate. If blower is running all the time, it sounds like you have a limit or flame roll out switch open.
Don
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