furnace not firing

johneboy209 · 10-22-2008, 06:07 PM

Hey maybe someone can help, I turned my heat on today and the fan runs but the furnace wont fire? Its a bryant plus 90 gas furnace if that helps at all...Thanks

**beenthere** · 10-22-2008, 06:11 PM

Doesn't give enough info to tell anything.

Change your air filter, and turn the power off, and then on.

dac122 · 10-23-2008, 09:09 AM

Yes we need more information such as when the tstat calls for heat what do you hear and see on the furnace, and what is the timing/sequence of events that is occurring? There is a draft inducer (small blower) that should be spinning, a heating surface igniter glowing, some relays clicking. If there is a sight glass peer in and tell us what you can see.

hvaclover · 10-23-2008, 11:17 AM

Quote:

Originally Posted by dac122

Yes we need more information such as when the tstat calls for heat what do you hear and see on the furnace, and what is the timing/sequence of events that is occurring? There is a draft inducer (small blower) that should be spinning, a heating surface igniter glowing, some relays clicking. If there is a sight glass peer in and tell us what you can see.

DUDE? a Heating Surface Igniter? New one one on me.

dac122 · 10-23-2008, 01:40 PM

Quote:

Originally Posted by hvaclover

DUDE? a Heating Surface Igniter? New one one on me.

Rog. That should have been HSI for Hot Surface Igniter. Damn keyboard.

hvaclover · 10-23-2008, 01:47 PM

Quote:

Originally Posted by dac122

Rog. That should have been HSI for Hot Surface Igniter. Damn keyboard.

Somebody gave my computer ADA once

10-22-2008, 06:07 PM	#1
johneboy209 Newbie Join Date: Oct 2008 Posts: 1	furnace not firing Hey maybe someone can help, I turned my heat on today and the fan runs but the furnace wont fire? Its a bryant plus 90 gas furnace if that helps at all...Thanks

10-22-2008, 06:11 PM	#2
beenthere An old Tradesmen Join Date: Oct 2008 Location: PA Posts: 19,069	furnace not firing Doesn't give enough info to tell anything. Change your air filter, and turn the power off, and then on.

10-23-2008, 09:09 AM	#3
dac122 Member Join Date: Sep 2008 Location: Upstate New York Posts: 368	furnace not firing Yes we need more information such as when the tstat calls for heat what do you hear and see on the furnace, and what is the timing/sequence of events that is occurring? There is a draft inducer (small blower) that should be spinning, a heating surface igniter glowing, some relays clicking. If there is a sight glass peer in and tell us what you can see.

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furnace not firing