Fan not engaging sometimes!!
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- Posts: 1
- Joined: Fri Jan 14, 2011 5:58 pm
My fan will work perfectly on my Coleman EB15B Furnace for a few days then it decides it doesn't want to. I will hear the clicking of the furnace trying to do what it is suppose to and my thermostat will say that the heat is on and I feel it getting warm in the furnace but The fan doesn't come on. I have found that if I trip the breakers on the furnace and turn it off at the thermostat for a while and let everything cool back down it will start to work. Sometimes it takes longer than others. The fan will work correctly when I turn the ventilation system on. I just need to know which part to buy. I am not sure if it is the fan relay or the capacitor. Please help!
Hi,
Could be a bad motor, run capacitor, sequencer or fan relay. Or just a loose wire.
Most common is the sequencer.
Look at fan relay middle contact # 5, trace wire back to sequencer and WITH a call for heat from thermostat,wait 30 - 45 secs. and see if you have 120vac to ground at that sequencer terminal.
IF not, sequencer is probably bad.
Sequencer # 3115 - 3571 can be seen and ordered here by paging down:
http://www.aberdeenhomerepair.com/store ... -sequencer
It is showing as on back order, so may need to call store on Monday and see when it will be in @ 605-229-2627.
Thanks,
Robert
Could be a bad motor, run capacitor, sequencer or fan relay. Or just a loose wire.
Most common is the sequencer.
Look at fan relay middle contact # 5, trace wire back to sequencer and WITH a call for heat from thermostat,wait 30 - 45 secs. and see if you have 120vac to ground at that sequencer terminal.
IF not, sequencer is probably bad.
Sequencer # 3115 - 3571 can be seen and ordered here by paging down:
http://www.aberdeenhomerepair.com/store ... -sequencer
It is showing as on back order, so may need to call store on Monday and see when it will be in @ 605-229-2627.
Thanks,
Robert
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