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Robb

08:06AM | 10/27/03
Member Since: 10/26/03
1 lifetime posts
Bvhvac
My heater will not blow hot air. It seems the gas is not turning on.

The small blower/fan will turn on, the pilot glows, but the gas and flame do not turn on. Neither does the blower fan. The pilot then shuts off. It does this 3 times and stops.

TIA

CIWS

02:18PM | 10/27/03
You may have a to clean your flame sensor. It will be located near the pilot assemble and glow bar. They can be tricky to remove so take care. You may be better off calling a pro. The igniters can get expensive if broken. Good luck.

cubswin1

05:47AM | 12/13/06
Member Since: 12/12/06
6 lifetime posts
It sounds like your gas valve is not opening. Do you hear the hiss of gas when the igniter is glowing? If so, try tapping on the gas valve to see if that will open it; otherwise replace the gas valve.

cubswin1

08:05AM | 01/05/07
Member Since: 12/12/06
6 lifetime posts
How can it be the flame sensor, when the unit is not even lighting?

cubswin1

08:54AM | 01/05/07
Member Since: 12/12/06
6 lifetime posts
Perhaps you are misinterpreting the words. I take it to mean that the igniter is glowing. I have never seen a pilot light go out after 3 tries. If the sensor is bad, the pilot will not even stay lit once you let go of the red button.

cubswin1

11:08AM | 01/05/07
Member Since: 12/12/06
6 lifetime posts
so where does the flame sensor fit in. if the unit does not ignite at all there is no flame sensor in the equation.

spdutton1

07:04AM | 01/15/07
Member Since: 01/14/07
1 lifetime posts
we have an armstrong furnace and air, we were told when we bought the house 2 years ago that it was a new furnace and we are having issues with it and come to find out it is an 1988 so i find myself here, when i turn up the thermostat it clicks but not the eletronic starter. it would normaly click and start the burner. it acts like its not getting power. any ideas out there?

cubswin1

07:53AM | 01/16/07
Member Since: 12/12/06
6 lifetime posts
Check the spark igniter connection. It looks somewhat like the spark plug boot on an automobile. It is attached to the spark igniter, follow the connection to the supply side and make sure there is a tight connection. Make sure all power is off to the furnace before you check it though.

It could be that the wire in the connector is no good or broken somewhere. Take an ohm reading to ensure you have continuity in the wire.
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