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Unit leaking water from bottom onto the floor


My MPC-09ER portable unit (9000 btu) has suddenly started leaking water from the bottom and emptying onto the floor. It isn't catching ANY water whatsoever in the container provided within the machine. I have made sure the drawer is properly inserted as well. Can you please tell me what's going on and if it is repairable? What would cause this to happen so suddenly?

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I know how to fix this problem, I fixed mine. The design of this unit is flawed in two ways, and you should fix both. Start by removing the back panel - just remove all the phillips head screws (you have to take out the screen filter as some of the screw heads are otherwise hidden). You will see that there is a "drain" system" (little notch cutout above the small water catcher with a tiny drainhole at the bottom) CAREFULLY drill a quarter inch hole about a quarter to half inch below the notch - drill just through the plastic, not into the fins behind. This will allow the water to properly drain. Secondly, on the lower right is the "air intake condenser" - I dont know why but they didnt put a filter on this so mine was caked with black junk after three years of use. Clean it best you can, use a brush to get between the fins and cut a $1 generic A/C filter to size and insert it. Finally, make SURE that the unit tilts backwards just little. I put a double folded towel uner the front casters. Drainage is critical as is the evaporator. Otherwise there is no chance this unit will keep the floor dry for more than about 3 years of ongoing use. Goodluck!!

Posted on Aug 21, 2010


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Being that I am the owner of a Haier 12000 BTU portable A/C unit with the same flipping problem & having a husband that works as a refrigeration tech with plenty of experience with A/C units of all types, we have come to the conclusion that the evaporation pans they put into these portable units are either too small or faulty! The best advice I can offer you if you are out of warranty is to raise the unit onto a sturdy & level base (you can use wood planks if nothing else can be found) & attach a hose to the plug (open of course) & run the hose into a bucket. Sadly, I was unaware of how bad our situation was until my husband told me that it is "raining" in our dining room! We'll now have to rip up carpeting (only 5 years old), rip up the old vinyl flooring to check the sub floor & if that's too bad off, we'll have to replace it, then cut out the sheetrock of the ceiling, treat for black mold before it happens (because it will, wet wood & sheetrock make a lovely sort of place for it to grow exponentially!) then rebuild the ceiling! I hope you got help before my answer & good luck!

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