Carrier Weathermaker sx Furnace Model 58SX080

Old 02-04-12, 10:21 AM
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Carrier Weathermaker sx Furnace Model 58SX080

Furnace quit working last night. No pilot or anything. Took covers off checked all connections, fuse on the board... OK. Tried shutting breaker to see if something resets. While covers were off I powered back on, depressed the safety switch about 3X and the blower motor came on but no burner or pilot. I released safety switch and tried again, this time the small initial fan came on, then I heard the clicks and the pilot started, then the main burners, main blower and evrything was fine. I held the safety switch down till furnace shut off, put it back together and it did start again but for only about 10 min then back to square one. Don't know where to start looking. Could it just need cleaning ? Or is the pilot igniter faulty. This furnace is from approx 1986..... PLEASE HELP
Old 02-04-12, 11:19 AM
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Door switches can fail to make good contact with the door especially when screws do not hold in the door.

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