Question about Mitsubishi MS12TN Air Conditioner

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Direction of vane changes

No matter where you set the vane in a short while it changes to a position where the air flow is straight out. This happens continuosly. Now the vane does not respond to the remote control when you try to reposition it. This happens on both heat and cool cycles.

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Push the reset button of your remote control and try. If it wont work try to "off" and "on" the circuit breaker to reset the unit and try the remote control.


direction of vane changes - f250a39.jpg

Posted on Jan 01, 2008

  • Felizardo Erilla
    Felizardo Erilla Jan 03, 2008

    PLEASE OBSERVE THIS IN OPERATING YOUR UNIT
    -When the air conditioner is operated in COOL
    or DRY mode, if the operation continues with air
    blowing down for 1 hour, the direction of the air
    flow is automatically set to horizontal to prevent
    condensed water from dropping.
    • In the heating operation, if the air flow temperature
    is too low or when defrosting is being done,
    the horizontal vane position is automatically set
    to horizontal.

  • Anonymous Oct 27, 2017

    Still have this problem in 2017. 100% useless feature. Mitsubishi never fixed this problem after seven years....

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