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Hotpoint MAC-130 air conditioner dripping water

We have a near new Hotpoint MAC-130 that we bought new a couple of months ago. We just noticed that it is dripping quite a bit of water which is soaking the carpet around it.

The automatic drain pipe is connected and runs outside and seems to get water running from it, but the tank is filling anyway. I have drained it outside by unplugging the rubber drain bung at the bottom. Within half an hour or so it is dripping water again and the tank has a fair amount of water in it agin. I don't beleive the water is coming out due to the rubber drain leaking or surely the tank wouldn't fill so quickly...

We make sure we keep the washable filter clean.

The unit seems to cool OK and as it always has done...

It is of course under warranty, but I am very curious to find out if there is anything that I can do or check myself...

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  • yaabaa Jan 30, 2008

    Thanks for the information, Ranger25.

    The day that I noticed the problem was unusually humid, but I expected that it would have handled that OK without leaking loads of water. I also have a DeLonghi Pinguino and that had no problems at all at the same time - the water tank in it didn't have a drop in it.

    I am just testing the Hotpoint again now (In the bathroom !!) after a few days draining it fully and so far I have not seen any water leaking at all after an hour or so - I will have to keep an eye on it.

    As it is still under warranty, I am not keen to start pulling it apart and voiding the warranty.

    Now my next problem is what to do about the ruined area of carpet from the water damage as it seems that the underlay has expanded and bubbled up in places - after it has dried out, the lumps haven't dissapeared as I hoped they would...



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The exact same thing happend to mine. It was the internal water line - a clear plastic tube, that can become kinked, this means that after running a while the water, instead of going to the water tank, or draining outside, backs up and starts leaking outside the unit.
Solution is to simply unkink (straighten) this internal water line. Get the kink out of it and let the water run smoothly down.

Posted on Nov 10, 2011

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You need to blow out the drain line where it hooks up to the pan and clean out the drip pan. It doesn't matter how clean you keep the filter, that's just to keep the evaporator coils clean, which is important in itself. But algae will grow in the drip pan if it is not tilted to drain correctly and will clog up the drain line. If you put a level on the top of the unit, the bubble should JUST BARELY break the line on the OPPOSITE side from the drain outlet on the pan. Hope this helps.

Posted on Jan 27, 2008


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