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

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I have a coleman furnace model # 7970C856 in a mobile home...when the blower goes to kick on it makes a loud ticking noise several times and sometimes it won't kick on and the pilot goes out...the

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  • Brian Nolan Jan 21, 2013

    i checked more into the problem last weekend...this happens when the furnace goes to light not when the fan goes to kick on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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

  • 70 Answers

SOURCE: Coleman Presidential II mobile home

Is this furnace standing pilot or electronic ignition. If standing pilot i would check furnace filter then the thermastat. To test themostat first turn power off to furnace. Take thermostat off wall and take wires labled R & W and connect them together. If you have electronic ignition I would start with cleaning the flame sensor with steel wool or wire brush.If you have and more questions i will be glad to help.

Posted on Jan 17, 2009

  • 92 Answers

SOURCE: Need replacement glass for pilot cover of Coleman Presidential II

the glass is there as a service tool to veiw pilot and flame or relite just get a peice of sheet metal and cover hole with it ,it will work short term or long term

Posted on Feb 05, 2009

  • 11 Answers

SOURCE: Furnace not cycling properly.

you might want to check the filter, if the filter is restricting the airflow the furnace will over heat and it will shut down. if you turn it off and on it will reset it and it will try again. Pull the filter out half way and try that, if it runs fine then clean the filter or get a less restrictive one.

Posted on Feb 11, 2009

  • 221 Answers

SOURCE: heater sometimes ignites and goes out. it repeats

The flame sensor rod should be cleaned, if that doesn't fix it check the combustion air switch. There should be an error code, look for a blinking light and code chart under the filter door.  

Posted on Feb 11, 2010

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