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
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.
