Question about Mitsubishi Mr. Slim MXZ30TN Air Conditioner

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MR.Slim heater - NO HEAT??

My mr. slim seems to be working fine, other then the fact that i am not getting any hot air. Can someone help me with this? I turn it on and it blows out mild air. I cleaned out the filters but unfortunatly it didnt do anything. I need HEAT. Please help.

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  • luke bussenschutt May 11, 2010

    Does it work Ok on cooling?

  • JOHN LYONS
    JOHN LYONS Nov 27, 2013

    yes on cooling - fuolll of freon - filters clean - fans working etc. yet in cold weather I get only mild air.

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Make sure you have freon in your system. they act as a heat pump which does A/c as well s heat. without freon you want have cooling or heat.

Posted on Apr 23, 2009

  • cardcoin Jan 14, 2011

    is the green light flashing--indicates error code

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I was told by one AC man to replace the board in the compressor. ?????

Posted on Nov 27, 2013

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I have the same problem.3 units in my house. 2 work fine, but the3rd squeaks when it comes on sometimes... blows out mildly warm air in cycles.

Posted on Nov 02, 2013

  • Rick
    Rick Nov 02, 2013

    I have the same problem.3 units in my house. 2 work fine, but the3rd squeaks when it comes on sometimes... blows out mildly warm air in cycles.

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1 Answer

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Here is a tip about Mitsubishi Air Conditioners and how to get the manuals for all of the Mitsubishi line. The manual include both troubleshooting and installation.

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