Tempstar Gas Furnace Operation

Old 04-30-06, 11:00 AM
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Tempstar Gas Furnace Operation

I have a Tempstar gas furnace; model NUGE105KG02 (867.768031); it was installed in 1989. The exhaust blower cycles on (when commanded by the remote theromstat), runs for 3-4 minutes, but the burners do not ignite. The blower/furnace then shuts down. After one or more of these cycles, the sequence is repeated, but the burners ignite, and the heating cycle operates in a normal manner. Any suggestions on the cause of the no-ignite sequence would be appreciated.
Old 05-02-06, 05:06 PM
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Ignition problem

Not being familiar with this particular model off the top of my head I need answers to a couple of questions. Is the igniton system spark to pilot then main burners or is there a glow before ignition (hot surface ignition)?

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