Question about Coleman Propane Forced Air Heater w/Electronic Ignition (50,000-80,000 BTU)

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1985 evcon forced air furnace no ac

My evcon furnace will not hold flame after eight seconds it shuts the gas off and then restarts agian over and over any help?

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Most likely your flame rod is either dirty, bad or the flame is not hitting it. It is located either to the far left or far right of the burner box. It has one wire going to it and looks like a small stick pointing into the flame. Clean it with a long tooth brush. Inspect the wire where it attaches to both the rod and the control module. Inspect the flame as it starts and see if the flame reaches it within 2 to 3 seconds from first flame. If not, you may have debris clogging the flame tray not allowing the flame to pass. If this is beyond your mechanical skills (no offence) contact your gas technician.

Posted on May 30, 2008

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