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  1. #1
    Join Date
    Mar 2012
    Location
    Zambia
    Age
    46
    Posts
    21
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    0

    Alarm 77 on Thermogurad uP-T Microprocessor



    Hi anyone knows how to clear and what causes the alarm 77 on TK MD II SR unit, saying on the manual internal fault code, dealer ressetable. Is there any other way to clear this alarm. Thanks



  2. #2
    Join Date
    Nov 2010
    Location
    The Netherlands
    Age
    64
    Posts
    134
    Rep Power
    14

    Re: Alarm 77 on Thermogurad uP-T Microprocessor

    77 Internal microprocessor fault code. Could be the controller is shot.
    You might try checking the following things:
    All plugs to the controller for correct fitment, loose cables etc.
    Power and ground to the controller.
    The microprocessor in the controller for correct fitment.

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