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-   -   Gas furnace - ignitor won't light up (http://www.diychatroom.com/f17/gas-furnace-ignitor-wont-light-up-165314/)

jlbernst 12-01-2012 07:58 PM

Gas furnace - ignitor won't light up
 
I have a high efficiency furnace, but it's not working. I thought the ignitor was bad so I bought and installed a brand new one. It still didn't work. I've tested it outside the furnace and it glowed so I know it isn't bad, but it won't light up when in the furnace. The fan starts, but the ignitor never glows. I'm not sure where to go from here. Any suggestions?

Doc Holliday 12-01-2012 08:12 PM

Are there any codes being thrown on the control board? Usually a furnace won't fire due to a pressure switch issue not closing and yours being a high efficiency it could be an intake or exhaust pipe or a pressure switch.

Check for codes, the led light will blink.

jlbernst 12-01-2012 08:17 PM

The LED shows two quick flashes and a long one. But I don't know what that code means, and there is no sticker on the inside of the door that tells me what the different LED codes mean. I also don't have the manual.

Doc Holliday 12-01-2012 08:36 PM

Post make, model and serial number. Someone may be able to find the manual.

There should be a sticker somewhere on the furnace, usually on the inside of the doors, that explains exactly what that code means. It is a hard sticker to remove, there would be evidence of someone peeling it off it it's not there.

jlbernst 12-01-2012 08:39 PM

I also don't know the make or model. It's not anywhere on the furnace. It looks like this one: http://www.gogeisel.com/geiselonline...as_Furnace.pdf

If that's the right one, then the code doesn't seem to tell me much.

Doc Holliday 12-01-2012 08:48 PM

Does it look exactly like that? Does it have the Payne brand name name plate (or any name) on it? If that is the exact same than that is not high efficiency, it's an 80% single stage regular gas furnace.

Is this a stolen furnace?

Doc Holliday 12-01-2012 08:51 PM

take the doors off and look INSIDE the furnace, even under the top of the cabinet, for stickers with name, make, model and serial.

jlbernst 12-01-2012 09:10 PM

How do I know if it was a stolen furnace? It was here when I moved in. The outside of it says "High efficiency - Day & Night," but I looked up that kind of furnace and it isn't the same. I think it might be a FrankenFurnace.

jlbernst 12-01-2012 09:15 PM

I think I got it working. I turned everything off back on again.

beenthere 12-02-2012 04:47 AM

Isn't code 21, when the furnace is turned back on while it has a heat call, the fan runs for 90 seconds before it will go back to normal operation.

HVACTECH96 12-02-2012 08:48 AM

clean the flame sensor.carrier,bryant,payne,day/night are all same Co.


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