Question about Coleman Propane Forced Air Heater w/Electronic Ignition (50,000-80,000 BTU)
first off buy yourself a honeywell stat, in my personal opinion lux stats are garbage, I have run into so many that are bad stats !!! but as far as your fan not shuting down, sounds to me like your fan center on your circuit board is bad and will not shut down the fan when needed, you will have to replace the circuit board, as the fan center is a part of the whole of the circuit board, hope that helps
Posted on Jan 20, 2009
SOURCE: i have a coleman/evcon electric
Have you tried to replace pressure switch for the combustion air. If your not sure where to find it if you pull the front panels off follow the flue pipe down to combustion chamber the combustion fan motor is either inside the flue pipe or out side of it not sure on the one you have but you should see two plastic tubes that connect to a barb onto the topside of the fan and one on the bottom they both should go back to the pressure switch. i hope this helps you if you have any more question or if this doesnt fix the problem just reply back to this message . Make sure fan is working when furnace starts up. It should be the first thing that comes on when there is a call for heat
Posted on Jan 21, 2009
If you mean hot surface ignition and not spark then look in front of the far burner from the glow plug and clean the rod in front of the burner with a piece of steel wool, the rod is probably dirty and can not sense the flame, so the gas shuts off.
Posted on Oct 11, 2009
The chances are that the furnace was running when the power went out. This will cause the high limit switch to cutout and needs to be manually reset.
You will find that switch in the blower compartment near the blower. Usually somewher near the highest point of the cabinet.
Push the little red button firmly till it clicks.
When the power goes out while the furnace is running the heat builds up because the blower shuts down immediately and causes this limit switch to cut out.
If you have a electric tester you can also follow the low voltage circuit till you find the open switch. Ther is usually a wiring schematic on the door cover of most furnaces.
I hope that this will help you to solve your problem!
Thanks for using Fixya!!
Posted on Dec 09, 2009
SOURCE: I have a coleman evcon
If the thermostat is ok which it probably is then your sequencer is most likely stuck i would say. You could verify that by removing 24 volts to the sequencer to see if it will shut down the heater
When low voltage from the thermostat is applied at the base of this sequencer it heats a bi-metal and turns on each coil and fan in a sequence that will insure the breaker don't throw from the power surge AND warm air comes out the vents when that fan comes on. I would start there.
If you need further help, reach me via phone at https://www.6ya.com/expert/dan_73bbd84fe1d95b61
Posted on Dec 28, 2010
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