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Old 11-01-2011, 04:36 PM   #1
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Heil Dc90 won't fire


The motor locked up in the combustion motor, I replaced it and and cut the power back on. The new motor works but the furnace will not fire.

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Old 11-01-2011, 04:51 PM   #2
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Heil Dc90 won't fire


check the tube for the PSI switch that tells the burner the ID is running...blow into it hear a click

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Old 11-01-2011, 06:10 PM   #3
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Heil Dc90 won't fire


Is that the tube coming from the combustion blower?
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