Question about Coleman Heating & Cooling
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
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
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
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
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
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.
Posted on Mar 15, 2010
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