Question about Coleman Heating & Cooling
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.
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Posted on Dec 28, 2010
I have an Electric Furnace that blew the transformer and the reverse thermostat relay, Have replace them both and the Heat and fan sequence the side the marked M1, M2, M3 M4 showed signs of overheating that also has been replaced, but overall since the transformer and the other componets have been replaced the heating coils have not kicked and when the heating switch on the furnace it push the blower just wants to run continous
Posted on Jan 14, 2011
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Posted on Jan 02, 2017
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