Question about Mitsubishi Mr. Slim MXZ30TN Air Conditioner

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Moldy smell to air

We have had our units about a year .. the last three months the air smells moldy.. can you help

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I have a maytag ac unit that kept smelling moldy. We tried spraying with antifungal, only helped for a short time. I took the unit (ac unit slides out of window case) outside and carefully removed screws only to discover the fan was covered in mold!!!! Oh my what a horrible discovery! I washed the fan blades with bleach and water mix. I completely and carefully washed and wiped down the air conditioner careful around the control box. Then I let the unit sit outside in the sun untill completel dry. Good bye mold and fresh clean cool ac!! I will do this each year now that I saw that ugly mold!! That is definetly a health hazard! I would reccommend you either thouroughly clean your unit or pay someone to do it or get a new unit right away!! Don't use that moldy unit another day!! Good Luck!

Posted on Aug 24, 2008

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YOU NEED TO CHECK AND SEE THAT THE UNIT THAT WAS INSTALLED IN YOUR HOUSE IS NOT OVERSIZED FOR YOUR HOUSE THIS CAN CAUSE IT TO CYCLE OFF TO FAST AND NOT REMOVE THE HUMIDITY AND CAN BE THE CAUSE OF YOUR MOLD.IF YOU SEND ME THE MODEL NUMBER I CAN TELL YOU WHAT SIZE IT IS THEY ARE RATED IN BTU'S AND HIIDDEN WITHIN THE MODEL NUMBER EVERY 12,000 BTU'S IS 1 TON SO AN RAK04259 THE IMPORTANT NUMBER 1S THE 42 IT MEANS 42,000 BTU'S AND THAT IS A THREE AND A HALF TON

Posted on Nov 29, 2007

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Hi, Try spraying a small amount of an anti fugal or anti mildew air freshener onto the evap coil while it is wet. A small amount of bleach (1 tsp to 1 qt of water) mixed in water sprayed on it will also help. There is actually mold or mildew growing on the coil and in the drain pan. Do not use much because these chemicals could be corrosive to the aluminum evap coil. Let me know if this helps. kstfas

Posted on Oct 25, 2006

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Try calling an air duct cleaning company

Posted on Apr 28, 2007

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