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    How to Diagnose D7022 and DS9422 LED's

    Issue

    What does it mean when the Power LED Flashes and the System LED is ON Steady?

    Solution

    The POWER LED will be on steady whenever nominal AC and battery power is present. It will flash during an AC fail condition or a low/missing battery condition.

    The SYSTEM FAULT LED will light whenever the system has detected a problem with its wiring or internal circuitry. It remains lit even when the sounders have been silenced. It will turn off only when the underlying system fault has been corrected.

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    Part numbers D7022, DS9422

    Version history
    Last update:
    ‎05-18-2018 03:56 PM
    Updated by:
    Anonymous
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