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My coleman evcon furnace just hums when i turn it on it doesnt engage the blower or fan thing it a quiet hum... Ready to call for repair but i wondered if there was something i could try..would like h

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  • 484 Answers

The hum could just be the control transformer, but that's usually a very light and barely perceptible hum. If its a louder hum, and it stops after a few minutes, the hum could be the blower motor refusing to start for any number of reasons, then cycling on its internal winding thermostat.

I'd call a service tech.

Posted on Dec 06, 2014

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Posted on Jan 02, 2017

Therinnaiguy
  • 1420 Answers

SOURCE: 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.

Posted on May 30, 2008

Therinnaiguy
  • 1420 Answers

SOURCE: Coleman forced air furnace blower

Rmove the two screws holding the blower in place and slide it out. With the power off, rotate the wheel and inspect for debris or an impingement. If everything turns easy, you have a bad motor or start capacitor. If you have rubbing, adjust the wheel. If the motor will not turn, replace it.

Posted on May 30, 2008

mrgrzz
  • 88 Answers

SOURCE: furnace blower not working how it should

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

  • 89 Answers

SOURCE: Coleman Presidential II Model 7656A Mobilehome Furnace blower p

have you changed t-stat? if so you need to increase the heat anticipator. if you have a fan limit switch, the setting may need adjusting. Thay will change with age

Posted on Nov 01, 2009

  • 3600 Answers

SOURCE: I have a Goodman GMT070-3 furnace. When I turn it

if it is a fuel furnace the pump may have air in the system. here is a web site that will give you the information you will need to to help you fix the problem, there is a manual that will take you step by step to resove the problem, if you need more help understanding the troubleshooting of the system post to this e-mial you will get.
http://www.aircondition-units.com/pc-72-25-gms90703bxa-gas-furnace.aspx

Posted on Mar 15, 2010

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