Bosch Building Technologies

    cancel
    Showing results for 
    Search instead for 
    Did you mean: 

    How to Diagnose AC FAIL on DS7400 Series Panel

    Issue

    Entering #87 on keypad displays AC power failure.

    Solution

    1. The transfomer is unplugged.
    2. The wiring from the transformer is defective.
    3. The circuit to the transformer is off or defective.
    4. The transformer is defective.
    5. The transformer may be connected to a circuit controlled by a switch or a circuit breaker that is periodically turned off.
    • Plug the transformer in.
    • Check the wiring.
    • Check the circuit and circuit breaker.
    • Replace the transformer.
    • Connect to a circuit that is not controlled this way.
    • Make sure the transformer is less than 50ft from the panel.

    Part numbers DS7400X, DS7400, DS7400Xi, DS7400XIVER2, DS7400XIVER3+, DS7400XIVER4+,

    Version history
    Last update:
    ‎06-26-2018 06:10 PM
    Updated by:
    Labels (1)
    Contributors
    Icon--AD-black-48x48Icon--address-consumer-data-black-48x48Icon--appointment-black-48x48Icon--back-left-black-48x48Icon--calendar-black-48x48Icon--center-alignedIcon--Checkbox-checkIcon--clock-black-48x48Icon--close-black-48x48Icon--compare-black-48x48Icon--confirmation-black-48x48Icon--dealer-details-black-48x48Icon--delete-black-48x48Icon--delivery-black-48x48Icon--down-black-48x48Icon--download-black-48x48Ic-OverlayAlertIcon--externallink-black-48x48Icon-Filledforward-right_adjustedIcon--grid-view-black-48x48IC_gd_Check-Circle170821_Icons_Community170823_Bosch_Icons170823_Bosch_Icons170821_Icons_CommunityIC-logout170821_Icons_Community170825_Bosch_Icons170821_Icons_CommunityIC-shopping-cart2170821_Icons_CommunityIC-upIC_UserIcon--imageIcon--info-i-black-48x48Icon--left-alignedIcon--Less-minimize-black-48x48Icon-FilledIcon--List-Check-grennIcon--List-Check-blackIcon--List-Cross-blackIcon--list-view-mobile-black-48x48Icon--list-view-black-48x48Icon--More-Maximize-black-48x48Icon--my-product-black-48x48Icon--newsletter-black-48x48Icon--payment-black-48x48Icon--print-black-48x48Icon--promotion-black-48x48Icon--registration-black-48x48Icon--Reset-black-48x48Icon--right-alignedshare-circle1Icon--share-black-48x48Icon--shopping-bag-black-48x48Icon-shopping-cartIcon--start-play-black-48x48Icon--store-locator-black-48x48Ic-OverlayAlertIcon--summary-black-48x48tumblrIcon-FilledvineIc-OverlayAlertwhishlist