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Power Failure If the READY indicator is off and their are no keypad displays, operating power for the system
has stopped and is inoperative. CALL FOR SERVICE IMMEDIATELY.
If the READY indicator is on, but the message "AC LOSS" (NO AC) is displayed, the
Keypad is operating on battery power only. If only some lights are out on the premises, check
circuit breakers and fuses and reset or replace as necessary. If AC power cannot be restored,
CALL FOR SERVICE.
Your local Ademco dealer is the person best qualified to service your alarm system. Arranging
some kind of regular service program with him is advisable.
Your local Ademco dealer is: