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I have a coleman evcon heating an cooling system, when my unit is cut off at thermostat, why do the blower motor come on and runs a few minutes an go back off.

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Because it is designed to clear out any heated or cooled air from the duct work to reduce condensation.

Posted on Mar 19, 2011

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3 Answers

Coleman Evcon furnace blower runs w/ no call for heat. Temp is 5+ degrees above thermostat setting. (Programmable tstat)


When you say door are you referring to the front door or the furnace door? If the unit kicks on AND off by itself I would say it's in the tstat or the tstat wire. If it were internal I would think the blower relay or heat contactor/relay were getting stuck AND THE FAN WOULD NOT TURN OFF until you flipped the breaker. Good luck

Mar 21, 2017 | Coleman Heating & Cooling

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I have a Coleman Evcon electric furnace, the blower fan runs constantly and I have to shut the breaker off inside the front cover to turn it off. The switch is on auto and it runs even when the thermostat...


It could be a thermostat problem. Also it will seem to run constantly as it tries to heat and one of the elements are working which could be a sequencer problem.

Nov 28, 2013 | Heating & Cooling

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You don't say whether you replaced the blower but that could be the next thing to check

Jul 23, 2013 | Heating & Cooling

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Coleman evcon presidential heater won't kick blower on.


Sounds like the automatic fan control is not working it cuts in on temp rise . It may be dirty on the back of it as you said you had a smell of dust burn

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2 Answers

I have a coleman evcon electric furnace ,it was running and would not cutoff the heat got up to around 90 thhe thermostad said it was running in aux ,so I turn the main breaker off and the in a few minute...


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
themobilian_598.jpg 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.

Dec 28, 2010 | Coleman Heating & Cooling

1 Answer

My Coleman Evcon heating and air unit will not blow air


bad blower motor. recommend a new blower motor and capacitor.

May 28, 2010 | Coleman Heating & Cooling

1 Answer

I have a coleman Evcon model AH16-0 . I am


Typical Thermostat Wiring for 4 or 5 wire Heat/Cool Thermostat (not heat pumps)
4 Wire Termostat
R = Red One Side of 24 volt Transformer
G = Green Blower
Y = Yellow Cool
W = White Heat
5 Wire Thermostat
with one transformer for both units
Rc One Side of 24 volt Transformer
Rh Jumper Rc to Rh
G = Green Blower
Y = Yellow Cool
W = White Heat
5 Wire Thermostat
With 2 transformers one for indoor unit
And one for outdoor unit
Rc = Red One Side of (outside) 24 volt (outside transformer)
G = Green Blower (outside transformer)
Y = Yellow Cool (outside transformer)
Rh = Blue One side of (inside) 24 volt (inside transformer)
W = White Heat (inside transformer)
COOLING ONLY Thermostat
R = Red One Side of 24 volt Transformer
G = Green Blower
Y = Yellow Cool
HEATING ONLY
R or Rh One Side of 24 volt Transformer
W = White Heat

Jan 06, 2010 | Heating & Cooling

3 Answers

I have an coleman evcon furnace when i turn a/c on the outside unit will run but the inside wont run


put the just the fan on turn off the ac and the heat and just fan on make sure the blower motor works cause thats really the only thing you utilize from the furnace in the summer and let me know
then if so does your heat work fine

May 30, 2008 | Heating & Cooling

1 Answer

Coleman furnace blower runs continuously


You should be seeing 120 volts to the igniter. Anything less requires either a replacement of the transformer, start relay or control module.

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