What does this burned furnace wire tell you?
While trying to figure out if my brake controller was alive I think I shorted something out. Furnace isn't turning on. A/C and fan do still work. Found this burned wire front and center when I took t...
Forum Discussion
cannesdo wrote:Chris Bryant wrote:
Does an led flash on the circuit board? The limit switch would not keep it from starting, but a stuck sail switch would-if the board sees power through it when the blower is not on, it knows something is wrong. The sail switch is right behind those wires- the arm hangs off the bottom and goes in to the blower housing- it should be all the way down and move freely.
Other than that- checking power is really the first thing.
Does an led flash....when I've turned the furnace on? I can check.
I thought the sail switch was stationary. Ah, ok...learn something every day. Sail switch is down and does move freely.
Can you tell me how to check the power? The fuse in the breaker box is still lighting up. Have a multi-meter but the thing is still kind of a mystery to me. Would need to know what to set it on and which wires to check.
Thanks so much!
