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I have a 1990 coleman 7970 forced air furnace n runs constantly ne dress

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MAKE SURE YOUR AIR FILTER IS CLEAN , ALSO YOU COULD HAVE CRUSHED OR DUCTWORK THAT FELL OF ITS PROPER DIFFUSERS FROM CATS OR OTHER ANIMALS UNDER TRAILER. ALSO THE FURNACE IS ONLY EITHER 56000 0R 70000 BTUS INPUT SO IF ITS REAL COLD IT PROBABLY WILL RUN PRETTY STEADY .

Posted on Jan 17, 2014

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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

jcpark50
  • 52 Answers

SOURCE: Manual for a Coleman Forced Air Furnace manual

If you haven't already tried Coleman customer support, try Google. You can find owner's manuals for all kinds of things. good luck, John

Posted on Nov 07, 2008

  • 252 Answers

SOURCE: furnace clicks multipal times while running.Is this normal?

As it starts and stops several switches will open and/or close, sometimes you can hear them. When it's just running then it may make a few noises from expansion and/or contraction.

Posted on Mar 31, 2009

walterkunesk
  • 683 Answers

SOURCE: I have a coleman direct

Question? does it try to start?

Posted on Sep 17, 2011

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see this causes and fix it. God bless you
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Here is a tip that will help you try to figure out why your furnace is not working.

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In my mobile home I have a coleman furnace model number 7970-856. It was over 100 degrees today and my furnace fan is stuck running and I don't now if it's supposed to do day. There is no fan switch on the...


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If you haven't already tried Coleman customer support, try Google. You can find owner's manuals for all kinds of things. good luck, John

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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.

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