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I have had a Mitsubishi Mr. Slim MUZ-A24NA for three (3) years. I have been told that the electronic boards on the outside are bad because the unit outside does not work. Initially, I was told that one electronic board was bad and it would cost $570. Then the company replaced the board and realized that was not the board. Then they told me it was the other two boards and the cost to replace them was $1,117. I thought there were only two electronic boards on the outside unit. Are the electronic boards that expensive which equates to one third of the cost of the unit. Any recommendations?

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

  • 3 Answers

SOURCE: Mitsubishi Mr Slim mini split outdoor unit fan.

Check the capacitor. Rating must be within 90% of rated microfarads. If it is a dual capacitor test between C and FAN. Set your meter to read microfarads (uF).

Posted on Aug 14, 2009

micromatikal
  • 2777 Answers

SOURCE: after replacing circuit board in

It is possible that the new circuit board has a different remote code programmed into it. The other more obvious answer could be that the remote's batteries have failed? Or did you say it is receiving the remote's output but just not adjusting correctly? Does the remote have lights on it that indicate it is "broadcasting" the signal? It was definitely the exact same circuit board as the one you replaced?

Thanks
Tim

Posted on Sep 15, 2010

SOURCE: Replacement compressor for Mitsubishi Mr. Slim Air Conditioner

pls no overhauling repair no spare part avaliable for hermetic comp[ressor the right is to change it

Posted on May 02, 2009

  • 1 Answer

SOURCE: Mr Slim Model PEH3VK no air in one zone.

The Zone controller needed replacing so I rang for a Serviceman

Posted on Jul 07, 2009

  • 88 Answers

SOURCE: How do your read the serial# of a MUY-A24NA unit ,

hi.right below the model number there is a number that has numbers...model is muy-a24na..this is a 2ton unit...serial is possible the other number...hope this helps you..michael doctor airr appl.repair...843-384-8474...call if need some advice...its free..good luck

Posted on Mar 27, 2010

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