robert1050
Well-Known Member
- Joined
- Jun 20, 2009
- Messages
- 362
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I have a Bryant forced air furnace, at my house, that is 4 years old.
A couple of months ago, I had an electrical problem at the house (outside hot wire broke from utility pole)
and I found a lot of my household appliance were killed off by a series of high-voltage spikes. With the
recent cold weather we've been having, I went to turn on my forced air furnace and sure enough, it is
inoperable.
I think the main contol board is dead.
Threw a voltmeter across the power outlet (dedicated 15AMP circuit) and it's geting 118VAC, opened up the access panel to the main board, traced the incoming wiring and it's receiving 118 VAC. The diagnostic LED is dead and the 24 VAC transformer is not getting power. The internal 3AMP fuse is OK and not blown (continuity check OK). My thermostatic is OK (clicks when I turn up the temp numbers on it and display works).
Is there something (in the way of checks) that I've missed, or is my assumption that the main control board is toast, correct?
A couple of months ago, I had an electrical problem at the house (outside hot wire broke from utility pole)
and I found a lot of my household appliance were killed off by a series of high-voltage spikes. With the
recent cold weather we've been having, I went to turn on my forced air furnace and sure enough, it is
inoperable.
I think the main contol board is dead.
Threw a voltmeter across the power outlet (dedicated 15AMP circuit) and it's geting 118VAC, opened up the access panel to the main board, traced the incoming wiring and it's receiving 118 VAC. The diagnostic LED is dead and the 24 VAC transformer is not getting power. The internal 3AMP fuse is OK and not blown (continuity check OK). My thermostatic is OK (clicks when I turn up the temp numbers on it and display works).
Is there something (in the way of checks) that I've missed, or is my assumption that the main control board is toast, correct?