2013



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  1. #1
    Join Date
    Jul 2008
    Location
    london
    Age
    44
    Posts
    11
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    Mitsubishi E6 fault code


    Can anyone advise me on an E6 error code i have on a Mitsubishi electric Mr slim wall mount unit.

    The E6 fault in the tech book is a communication error between indoor and outdoor unit, the unit has been running fine for just over a year.
    I have checked the voltage coming out of the outdoor pcb and i have 240v across S1+S2 terminals and S1 to earth, this is also ok at the indoor unit. I was advised by Mitsi tech to check S1,S2, I have 18-22dc voltage between S2 and S3 at condenser and this is the same at indoor unit, i have not spoke to them again, and wondered if anyone has had a similar fault and could advise, im pressuming it requires either an indoor or outdoor Pcb.

    Please help



  2. #2
    Join Date
    Feb 2011
    Location
    England
    Posts
    14
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    Re: Mitsubishi E6 fault code

    As you have already said, sounds like a pcb. Phone Mitsi back and they will go through the required checks to determine which 1.

  3. #3
    Join Date
    Dec 2009
    Location
    England
    Age
    32
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    Re: Mitsubishi E6 fault code

    I think its the outdoor p.c.b that is defective as you have your signal voltage from indoor to outdoor which i think should be 24vdc your not far off with 18-22 vdc. I agree with airconking to phone mitsi tech they are quite helpful and talk you through what checks you need to do to i.d fault.

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