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I have a coleman model 3400-815 electric furnace and it is blowing hot air to one end of the trailer but not the other there are no holes in the duct work had it checked and no cold air in vents when furnace is off is there more than one heating element? or what could be the problem/solution?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 18 Answers

SOURCE: Heater blowing out cold air

Yes you could have a bad overload on the heater element which is fairly simple to fix. To test for this pull the heater out and get an ohmeter set it to continuity and check the continuity first through the entire heater element then if there is none pin point the overloads and check to see which one has no continuity.

Posted on Dec 23, 2007

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22yooper
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SOURCE: Coleman Evron CH/CA unit won't blow the air through the vents

Relay for fan operation in the cooling mode may be bad and not bringing on the blower for the air.

Posted on May 22, 2008

Accurate Joe
  • 61 Answers

SOURCE: Electric furnace blows cold air before and after warm air.

It is normal. Your house has to go down a couple more degrees because the heat pump is not working. You can solve this by rewirng you thermostat. Take off the wire that goes to Y and tape off. Then take the wires that are marked w and e or w1 and put the wires to yellow. Do not run ac with it wired like this. If you need more information please post me back

Posted on Nov 29, 2008

  • 69 Answers

SOURCE: Ruud achiever 90 plus gas furnace not blowing any heat

These new furnaces are trouble. Ive been in the htg trade for 25 yrs. The fan is running because they are now controlled by a timer instead of a temperature control. Rather than sensing a preset temperature and turning on the fan, it comes on by a preset time. Couple of things, does either of the doors have an inspection window? most newer furnaces have what is called a smart board. The board will flash a trouble code. ie: 1 long 2 short etc. #1 turn your thermostat to off, youll need 2 people for this! Go to the furnace, If it has the above mentioned inspection window ( usually about 2" round) while peering through the window have someone turn the thermostat to about 80 degrees. Let the furnace cycle and see if it flashes a code. If it does the codes are usually on the bottom door, May be on the inside. The most common cause is either a bad transformer, bad hot surface ignitor or pressure switch failure. Further questions feel free to ask. Steve

Posted on Dec 21, 2008

  • 8 Answers

SOURCE: chemical type smell blows into house

Change your filter.

Posted on Mar 10, 2009

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