Gas furnace only comes on when you go down and tap it a few times


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Old 01-28-12, 08:31 PM
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Gas furnace only comes on when you go down and tap it a few times

This has been an intermittent problem all winter. Well at the beginning of the winter mostly. Then it stopped for a while. Tonight the furnace didn't turn on and I had to go down and flip the breaker a couPle times before it kicked on. I was working down stares today and was around it which may have upset something... A bad circuit? Gremlin? Help! Thanksc
 
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Old 01-28-12, 09:59 PM
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Post the make and model number of this furnace.
The year would also help.

Many furnaces display an LED trouble code when a lockout occurs to help diagnose the problem.
 
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Old 01-28-12, 10:42 PM
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Armstrong air ultra sx 90 high efficiency model cam36a-1b
 
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Old 01-29-12, 12:42 AM
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Take the cover off the burner compartment of the furnace.

Observe the sequence of events that occurs at the furnace when you turn up the thermostat and post that sequence of events in order and in detail.
 
 

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