Originally Posted by Dionysia
I have a Tempstar natural gas furnace with a Honeywell Contoller (SV 9541). Sometimes when the furnace comes on, the gas will come on but not ignite, which causes the system to go into a safety lockout. Any guesses what is up?
Additional Info: Furnace model N9MP1075B12B1 (as far as I can tell - it is hard to read) We have some sort of Smart sensor igniter, which might have been replaced last year, and we go through control fan timers at a rate of two or three a year.
Any help is appreciated.
See if you can find a dealer or contact the factory. There was a problem with those smart valves, if that's what you have. I know one problem was with the
wire harness. I don.t remember what the cure was.
Maybe someone else will come along that remembers. Later Paul