"fried Control Board". Can It Dry Out? - HVAC - DIY Chatroom Home Improvement Forum

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Old 05-01-2012, 11:37 PM   #1
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"fried control board". Can it dry out?

I have a tenant who apparently has not changed the air filter for a year. The air filter was so clogged that the frozen block of ice melted on to the control board and "fried it", says the AC repairman. I could not be there in person to inspect it myself. He said he hotwired it to the fan and the fan now will run continuously until the board is replaced.

Is it possible the board could dry out?

The AC repairman said this could cost $300 to $1000 to replace.

All I remember is that this HVAC uses gas for heat and electricity for AC. It's a single unit that cools 2900 sq feet of a single floor. Can't remember the brand.

Thanks for any help or insight.


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Old 05-01-2012, 11:51 PM   #2
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Not likely to be reliable any longer if it works normally at all once dry.


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Old 05-02-2012, 04:15 AM   #3
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Water and electronics don't mix. Usually the board is done for once it gets wet. Since it controls the gas heat, it becomes a safety issue. The board can not be relied on anymore, best to replace it.
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