Hvac anyone?
 

I've got a Coleman furnace that has decided that it will only blow cold air. The house is at 68 degrees.

Any ideas? Is there a pilot like on a water heater that I can check for? It is gas.

I sure hope so.

how old is it

5 years tops...

Coleman Model # FC30A3XN1A

Not finding anything on the net right off the bat.

When is the last time you had it serviced?

Got any kids in the area who are big enough to throw a valve?

68 is perfect, thats around what my house it set at.

Sure you're not empty? http://lh4.googleusercontent.com/pub...MlQ4HDo0ppjP6s

Nope... mostly older neighborhood.

Honestly, never have had it serviced. Wasn't aware that it needed a yearly checkup.

Check the breaker that it is on first. Don't be afraid to turn it off and back on just to make sure.

Depends it could have a standing pilot, it could have a hot surface ignitor, or a spark ignitor.
How old is the unit? Is it an 80% or a 90% gas furnace? If you don't know how to tell one will have a metal exhaust the other will have PVC for the exhaust.

I like to walk around naked though. My dangle is looking a bit weak. Need that extra 3 degrees for optimum hang.

LMAO

If I go to the thermostat, I can turn the fan on and it blows so I'm guessing that whatever electrical unit in there moves the air is working, IE it has electricity. Am I off there?

The unit is about 5 years old or so. The exhaust looks metal (if on top) though I see some PVC heading to the crawl space towards the bottom.

That number references the A/C coil.
There will be another I.D. plate. It might be outside of the cabinet on the side or inside the door on one side or the other.

Yeah if the blower runs when you turn it on it has power. If it has the metal exhaust then it will be an 80%. The PVC at the bottum is the drain for the A/C coil.

Ok... don't have a model number but I have more information. Looked at the inside of the door there and there is a fault code.

I see a red light flashing 4 times which indicates "limit switch open"

what does that mean? lol