It keeps cutting on and off. What could it be?

M1M Series will not kick on... Red LED has two flashes indicating Pressure switch is open, how do I fix the problem?

I have A Nordyne Gas furnace in my home, work up this morning to a cold house. I can't find my manual to troubleshoot the problem. Status light is blinking twice. I can get furnace to work by by-passing the pressure switch w/jumper wire. Could the problem be the Combustion blower assembly. This...

I hope some one can help me. I have a Nordyne gas furnace, only about a month old. I installed it myself and everything worked fine for the first few weeks. Now there is no heat. The first time this happened, I turned on the heat and the blower turned on immediately along with the exhaust vent...

Hello, First time posting. Maintenance tech at local college. I'm working at home today though. I am relocating a gas line in the living room and need to turn the gas off at the meter. We have a Goodman gas furnance(duel fuel system)with electronic ignitnor. When I turn the gas to the house...