Your solution will depend on the problem that has caused your furnace to stop working. Plus, you need to know how to use one in order to find the problems that need fixing or eliminating those that don’t. First, you should open up your owner’s manual to see what it has to say about common problems that arise. The switch may be defective and will need to be replaced. If the fan runs but you feel no heat coming from the ducts, then this is an indication that there is a problem with the sail switch Then go to a repairman to have them look at it.

If it doesn’t, you can always remove the red or the black wire and cut the power without affecting your AC controls. Before doing that, you should look for an on and off switch on the furnace. If the flame sensor is dirty, just clean it and put it back into position.Īnother problem may be that the blower does not shut off and when you go to pull the fuse, you lose the thermostat controlling the AC. However, accessing the furnace is another story and may make the simple task a lot harder to do. The only way to fix this problem is to replace the part. This is a low-cost part that you should find at any heating or AC outlet. When it malfunctions or burns out then the signal is lost and the safety system shuts the main gas valve. It is designed to send a signal to the main gas valve to keep it open. One of the common problems you will find with this type of furnace will be the flame sensor.

Rv control panel isnt recognizing ac 2