The heat wont come on in my furnace. AC works fine. When we try to switch to heat, it acts like it wants to start , but then just quits. I had the same problem intermittently last year, but I could eventually get it to come on. It's going to get cold in a couple of days and I want to try to fix it without calling a repair man.
Hoping someone can help me troubleshoot it. If you can provide any links to pictures or anything you refer to I would appreciate it. Not familiar at all with furnaces. Unit is 7 years old, is there any warranty left??
thanks
pdl2
COLEMAN DGAA0708BDTA - HEAT NOT COMING ON
Does the small booster motor midway on right side of furnace start up and run within 2-3 seconds of call for heat from t-stat ?
Is the diagnostic light flashing on circuit board ? If so, how many flashes ?
Thanks,
Robert
Is the diagnostic light flashing on circuit board ? If so, how many flashes ?
Thanks,
Robert
Some people are Humbly Grateful, while some are Grumbly Hateful.................... Which one are you ?
thank you for your reply Robert
where do i find the diagnostic light......I havent seen any lights
i couldnt get site up last night to check for replies
I am at work so I will reply later....around 5-530.
pdl2
where do i find the diagnostic light......I havent seen any lights
i couldnt get site up last night to check for replies
I am at work so I will reply later....around 5-530.
pdl2
I believe the motor is coming on....i can hear a humming.
I get 2 flashes on the diagnostic light
pdl2
I get 2 flashes on the diagnostic light
pdl2
Hi,
2 flashes = Pressure switch shorted. Listen to see if booster motor sounds as if it is running good with no unusual sounds.
Inspect the tubes from pressure switch to booster motor (2 tubes).
Make sure they are not damaged and are connected tight and not blocked/clogged.
If all ok, most likely a faulty pressure switch.
Pressure Switch # 024-27666-001 @ $39.99 + $6.75 shipping.
It can be seen and ordered here:
http://www.mobilehomerepair.com/ColemanGas.html
Left side column, click on pic for enlarged view.
If interested, please add to cart and order through PayPal or call
toll free to 1-877-263-7860 and charge to Visa or Mastercard.
Thanks.
Take care and best wishes,
Robert
2 flashes = Pressure switch shorted. Listen to see if booster motor sounds as if it is running good with no unusual sounds.
Inspect the tubes from pressure switch to booster motor (2 tubes).
Make sure they are not damaged and are connected tight and not blocked/clogged.
If all ok, most likely a faulty pressure switch.
Pressure Switch # 024-27666-001 @ $39.99 + $6.75 shipping.
It can be seen and ordered here:
http://www.mobilehomerepair.com/ColemanGas.html
Left side column, click on pic for enlarged view.
If interested, please add to cart and order through PayPal or call
toll free to 1-877-263-7860 and charge to Visa or Mastercard.
Thanks.
Take care and best wishes,
Robert
Some people are Humbly Grateful, while some are Grumbly Hateful.................... Which one are you ?
thanks...Im assuming the pressure switch is easy to find?
I wish I would have seen your message last night so I could have gotten it ordered today if needed. Do you know where I can find a manual online??
thanks
pdl2
I wish I would have seen your message last night so I could have gotten it ordered today if needed. Do you know where I can find a manual online??
thanks
pdl2
Mid way of furnace, booster motor on right side (encased in round pipe cylinder).. Look for two small silicone tubes running from booster motor and furnace over to the pressure switch on the left beside booster motor.
It is round black disc shape and has the two tubes and two small blue wires connected.
It is mounted extended out from furnace facing.
You can still order today if you hurry.
Not sure if that is complete problem, but it is what the diagnostic light indicates and is one problem.
If all else is ok as mentioned, this is most likely the problem.
To know for sure would require a Tech to look at it.
Thanks,
Robert
It is round black disc shape and has the two tubes and two small blue wires connected.
It is mounted extended out from furnace facing.
You can still order today if you hurry.
Not sure if that is complete problem, but it is what the diagnostic light indicates and is one problem.
If all else is ok as mentioned, this is most likely the problem.
To know for sure would require a Tech to look at it.
Thanks,
Robert
Some people are Humbly Grateful, while some are Grumbly Hateful.................... Which one are you ?
they appear to be ok..no cracks & on tight. so tight im worried about damaging them to take them off to make sure they aren't clogged. do the hoses come with the pressure switch?
thanks
pdl2
thanks
pdl2
Tubes were fine. Replaced the pressure switch, but the blow motor fan wouldnt run. I kicked started the fan and has been working fine.
Did kick starting the fan do any harm?
Would spraying wd 40 on the fan do any good?
Furnace guy was here at work looking at our furnace and I was talkign to him about my Coleman. He mentioned something about a recall on the heat exchange. Do you know about any recall and who should I go through, Coleman?
Thanks for all your help
pdl2
Did kick starting the fan do any harm?
Would spraying wd 40 on the fan do any good?
Furnace guy was here at work looking at our furnace and I was talkign to him about my Coleman. He mentioned something about a recall on the heat exchange. Do you know about any recall and who should I go through, Coleman?
Thanks for all your help
pdl2
Hi,
For clarity, you kick started the small booster motor ? How did you do this ?
The Booster Motor may be bad.
Booster Motor # 373-19801-820 @ $159.52 + $12.00 shipping.
It can be seen and ordered from left side of this page if needed:
http://www.mobilehomerepair.com/ColemanGas.html
Click on quick tech tip also.
If outside the U.S., let us know for added info.
No WD 40.
Your furnace is not included in the recall.
Thanks,
Robert
For clarity, you kick started the small booster motor ? How did you do this ?
The Booster Motor may be bad.
Booster Motor # 373-19801-820 @ $159.52 + $12.00 shipping.
It can be seen and ordered from left side of this page if needed:
http://www.mobilehomerepair.com/ColemanGas.html
Click on quick tech tip also.
If outside the U.S., let us know for added info.
No WD 40.
Your furnace is not included in the recall.
Thanks,
Robert
Some people are Humbly Grateful, while some are Grumbly Hateful.................... Which one are you ?
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