GMP050-3 Furnace doesn't ignite


Old 04-08-13, 02:17 PM
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GMP050-3 Furnace doesn't ignite

The furnace starts its cycle and makes all the right sounds, but the glow stick doesn't glow. I took it in and since it looks fine [no cracks etc.] they tested it for resistance and said it was okay. So i then cleaned the sensor on the other side, but still no glow. Any ideas beyond replacing the board?
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Old 04-09-13, 03:21 PM
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Take the cover off the burner compartment of the furnace.

Describe IN DETAIL and IN ORDER the sequence of events that occurs when you turn up the thermostat.

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