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  1. #1
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    Mitsubishi heavy industries



    Hi guys
    i was installing a fdc140vn , then i check the wire sequence , it means i drop the filter access on the indoor cassett; as you know E 21 error code protect stop came on to the disply, any idea how to erase it plz.



  2. #2
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    Re: Mitsubishi heavy industries

    mitsubishi heavy industries cassette , i opened the filter access to check, did not drop it ,

  3. #3
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    Re: Mitsubishi heavy industries

    Fault clears when you close unit again and press the power button on control.

  4. #4
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    Re: Mitsubishi heavy industries

    I usually install the jumper supplied onto the board as this can become a nuisance to some... Plus the switches can fail over time. The jumper is usually taped to the underside of the indoor unit pcb casing flap.
    Last edited by CraigF; 29-05-2015 at 10:45 PM. Reason: Poor spelling

  5. #5
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    Re: Mitsubishi heavy industries

    .

    Yep it is a signal to say the grill is open.
    Close the grill and make sure it activates the switch and
    reset the alarm.

    Rob

    .
    .. ... -. .----. - / -- --- .-. ... . / -.-. --- -.. . / --. --- --- -..

  6. #6
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    Re: Mitsubishi heavy industries

    Thank you guys , as you say to iliminate the door switch is a better option, in my case the fan was very noisy so i wanted to check it out .

  7. #7
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    Re: Mitsubishi heavy industries

    best option is to cut the wires at the switch, strip em back and twist em together and and fit a choccy block, an tape em, its low voltage so u can do it powered up, reason being as others have mentioned is the switch can fail or the cover may not depress the switch fully depending on which way the filter hinges down, and now the units dont come with the jumper plug

  8. #8
    Join Date
    Dec 2011
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    Re: Mitsubishi heavy industries

    No jumper supplied... Skanky sods!! Choc blocks away then!!
    Champion Van Jockey

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