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  1. #1
    chigosimon's Avatar
    chigosimon Guest

    Chigo Cpa-09co Fault Codes? E4?



    I am using one of the above air conditioning units, and have had the fault code E4 come up on the display. Does anyone know what this means?

    I am a Technician in the Royal Air Force, and if I can find out what the fault code means then I can rectify this fault. I have searched the company website and am unable to find the required information, and tbh I also found this site with google so I thought I would give you guys a shout first,

    Many Thanks

    Simon



  2. #2
    rbartlett's Avatar
    rbartlett Guest

    Re: Chigo Cpa-09co Fault Codes? E4?

    I believe E4 =unit malfunction

    However I could be wrong...

    Cheers

    Richard

  3. #3
    chigosimon's Avatar
    chigosimon Guest

    Re: Chigo Cpa-09co Fault Codes? E4?

    Lol! Okay, it kind of states the obvious i guess! It definitly malfunctions. It runs for about an hour, then just stops and the E4 appears.

  4. #4
    chigosimon's Avatar
    chigosimon Guest

    Re: Chigo Cpa-09co Fault Codes? E4?

    Can anyone else help with this little problem please?

  5. #5
    Join Date
    Jul 2005
    Location
    UK
    Posts
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    Re: Chigo Cpa-09co Fault Codes? E4?

    Without the service manual it’s anybody’s guess what that means.
    Chinese kit is cheap at the moment and flooding the market in the UK. My understanding is that most of it is old product dumped here by the container load.
    As far as support and technical info is concerned, you’re on your own.

    I suspect that if it runs (OK?) for a while then throws up the fault it may be associated with poor refrigerant charge. (Just a guess – but worth eliminating before you start tearing it apart).

    Why not reclaim the lot, evacuate and test for leaks, then weigh in the quantity it (should) give you on the OD unit name plate, plus (if yuo can't find out the correct addition) 30 gm / m over 5 metres for ¼ inch liquid or about 50 gm / m for 3 /8. It's about right for those pipe sizes.

    In the meantime, you could contact this bunch, but don’t expect much…..
    http://www.chigogroup.com/en/support.asp?T=pdf


    Good luck.
    .
    Sodd's the name...... Law's the game.
    Established 1791 - still going strong.

  6. #6
    Join Date
    Nov 2007
    Location
    London
    Posts
    461
    Rep Power
    17

    Re: Chigo Cpa-09co Fault Codes? E4?

    i would say it was a low pressure fault..


    Quote Originally Posted by chigosimon View Post
    I am using one of the above air conditioning units, and have had the fault code E4 come up on the display. Does anyone know what this means?

    I am a Technician in the Royal Air Force, and if I can find out what the fault code means then I can rectify this fault. I have searched the company website and am unable to find the required information, and tbh I also found this site with google so I thought I would give you guys a shout first,

    Many Thanks

    Simon

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