My A/C fan, blower wont stop running.


Old 07-12-15, 02:26 PM
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Join Date: Jul 2015
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Post My A/C fan, blower wont stop running.

CARRIER control board 302075-302 RELAY MESSED UP and stuck. THE BLOWER RUNS CONTINUOUSLY even when thermostat is on off position. Which relay to change? Complete Control board are pricey but I think, I have to change. What is the new replacement for this older control board 302075-302?
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Old 07-12-15, 02:54 PM
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For a temporary fix move Gc wire to Y on the control board.
Old 07-12-15, 03:01 PM
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There was someone with a similar problem a few years ago. See for more information. It appears that your board is available on eBay for ~$50.

If you think the relay is just stuck, you could try gently tapping on both relays to see if it restores normal operation.

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