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cooldyood commented on a discussion: A/c making humming sound
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cooldyood
Worked like a charm @stax! When I first put water in, the red Alarm light came on. It took a few mins for the pump to empty out the water but since then, the noise is gone.
Thanks so much!
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cooldyood
Hi again,
It seems like there's something more going on. I ended up replacing the condensate pump last night, just to be sure. The a/c ran fine overnight, but now the indoor unit is running, the condensate pump has all 3 lights on, but the outdoor isn't running. It's hot in the house, and I'd imagine the a/c would be running constantly if everything was working fine.
Thanks again for your advice!
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You haven't done anything to check the line. It's not the pump or the reservoir or the float. Move down the line to check the remaining components. Or call someone to come for $100 and blow the line out.
Update - I cleaned the vinyl line and put the old condensate pump back. Everything is running normally now. Not only was the line clogged, the new pump seems to be shot.
I love this forum, thank you all for the advice!