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28
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TROUBLE CONDITIONS (Continued)
Other Trouble Displays
(Continued)
5. AC LOSS is displayed
The system is operating on battery power only due to an
(or NO AC)
AC power failure.
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 and a “low system battery”
message appears (see item 2 on the previous page),
CALL FOR SERVICE .
6. Busy-Standby
(or dI)
If this remains displayed for more than 1 minute, system is
disabled. CALL FOR SERVICE IMMEDIATELY.
7. OPEN CIRCUIT
The touchpad is not receiving signals from the control.
(or OC)
CALL FOR SERVICE.
8. Long Rng Trbl
If part of your system, back-up Long Range Radio com-
(or bF)
munication has failed. CALL FOR SERVICE.
Total Power Failure
If there is no touchpad display at all, and the READY indicator is not lit,
operating power (from AC and back-up battery) for the system has stopped and the
system is inoperative. CALL FOR SERVICE IMMEDIATELY.
In The Event Of Telephone Operational Problems
In the event of telephone operational problems, disconnect the control from the phone line by removing the plug from
the phone wall jack. We recommend that your installer demonstrate this disconnection on installation of the system. Do
not attempt to disconnect the phone connection inside the control. Doing so will result in the loss of your phone lines. If
the regular phones work correctly after the control has been disconnected from the phone wall jack, the control has a
problem and you should immediately call for service. If upon disconnection of the control, there is still a problem on the
phone line, notify the telephone company that they have a problem and request prompt phone repair service. The user
may not under any circumstances attempt any service or repairs to the security system. Repairs must be made only by
ADT authorized service (see the LIMITED WARRANTY statement for information on how to obtain service).
