R rhw New Member Joined Oct 9, 2012 Messages 2 Reaction score 0 Oct 9, 2012 #1 flame sensor, my electric igniter is working, I clean the flame sensor, but unit still kicks on for 5 seconds then flame goes out, what could be wrong
flame sensor, my electric igniter is working, I clean the flame sensor, but unit still kicks on for 5 seconds then flame goes out, what could be wrong
Wuzzat? Well-Known Member Joined Jan 20, 2010 Messages 2,471 Reaction score 176 Oct 9, 2012 #2 Do you have a meter and a schematic or parts list? I'd be looking to see what the flame sensor output is doing and what else besides a "no flame" condition can shut off the gas valve and at what point in the startup sequence. Last edited: Oct 9, 2012
Do you have a meter and a schematic or parts list? I'd be looking to see what the flame sensor output is doing and what else besides a "no flame" condition can shut off the gas valve and at what point in the startup sequence.
U user 4883 Well-Known Member Joined Nov 19, 2007 Messages 3,271 Reaction score 399 Oct 9, 2012 #3 Could be many things preventing the firing of the burners. Flame sensor being one. Do you have any blinking trouble codes on the control board?
Could be many things preventing the firing of the burners. Flame sensor being one. Do you have any blinking trouble codes on the control board?
R rhw New Member Joined Oct 9, 2012 Messages 2 Reaction score 0 Oct 9, 2012 #4 rhw said: flame sensor, my electric igniter is working, I clean the flame sensor, but unit still kicks on for 5 seconds then flame goes out, what could be wrong Click to expand... No codes on board green light is solid no planking,plus I jumped the R and W on thermostat, to check limit switch
rhw said: flame sensor, my electric igniter is working, I clean the flame sensor, but unit still kicks on for 5 seconds then flame goes out, what could be wrong Click to expand... No codes on board green light is solid no planking,plus I jumped the R and W on thermostat, to check limit switch