Bosch Building Technologies

    How to Diagnose the D928 Buzzer

     Issue

    The buzzer is sounding on the D928 continuously.

    Solution

    This means that there is a CPU fail on the panel. The sounder on the panel should be beeping as well. The buzzer on the D928 will stop sounding once the panel's CPU has returned to normal.

    Part numbers D7212B, D9112B, D7212B1, D9112B1, D7212, D7412, D9112, D9124, D9412, D7412G, D9124G, D9412G, D7412GV2, D9124GV2, D9412GV2, D7412GV3, D9412GV3, D928

    Version history
    Revision #:
    2 of 2
    Last update:
    ‎05-21-2018 07:27 PM
    Updated by:
     
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