Furnance runs but doesnt ignite
I left the heater on one night but the gas was off. It was parked outside my house. Anyway, we went camping the heater wouldnt work. Fan runs but does not ignite. I tore it out of the camper. Tested E...
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DC power goes to gas valve for 6-8 seconds during the same time high voltage is sent to spark electrode (DC power remains on gas valve AFTER flame proved)
The power is sent only after:
Fan runs (time delay)>>>>>>>sail switch/limit switch make up
IF you have power making it all the way to the board via the sail/limit switches and no spark/power to gas valve than Control Module (power board, circuit board) is bad.
The power is sent only after:
Fan runs (time delay)>>>>>>>sail switch/limit switch make up
IF you have power making it all the way to the board via the sail/limit switches and no spark/power to gas valve than Control Module (power board, circuit board) is bad.
