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    How to Trouble Shoot MUX A Wire Fail

    Issue

    What causes the panel to display "MUX A Wire Fail or Fault"?

    Solution

    MUX WIRE FAIL or FAULT Check the following

    1) Programming - is the buss wired Class A or Class B, Check that MUX BUS TYPE is set to the correct option.

    Enter Program Mode

    Press 0 - Enter Pin (Default is 9876)

    Press 9 PROGRAM MUX

    Press 3 BUS TYPE - Choose (1) for Class A  - (2) Class B

    2) Measure for a short across the MUX Buss. You should have 8 to 10 VDC on the both Buss A and B.

    Part numbers FPD-7024, D7024, DS9400, DS9400I, DS9400M,DS9431, D7039, FPE-7039

     

    Version history
    Revision #:
    5 of 5
    Last update:
    ‎05-21-2018 07:40 PM
    Updated by:
     
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