– 23 –
Trouble Conditions
(cont’d)
MODEM COMM
Indicates that the control is on-line with the Central
(or
CC
)
Monitoring Station's or your installer’s remote
computer.
The control will not operate while on-line. Wait a few
minutes — the display should disappear.
BELL FAILURE
Indicates that the wiring connection to the external
sounder
(or
CHECK 70
)
is at fault (open or shorted). Accompanied by
“beeping” at the keypad. CALL FOR SERVICE.
AC LOSS
The system is only operating on battery power due to
an AC power
(or
NO AC
)
failure. If only some lights are out on the premises,
check circuit
breakers and fuses and reset or replace as
necessary. Depending on installer programming,
an AC loss may prevent arming, or you may need
to perform the arming sequence twice to override
the condition (see your installer).
If AC power cannot be restored and a “low system
battery” message appears, CALL FOR SERVICE.
Busy-Standby
(or
dI
)
If this message remains displayed for more than 1
minute, system is disabled. CALL FOR SERVICE.
OPEN CIRCUIT
The keypad is not receiving signals from the control.
CALL FOR
(or
OC
) SERVICE.
Long Rng Trbl
If installed, the back-up communications media
portion of your
(or
bF
)
system has failed (e.g. internet, intranet networks,
long range radio).
CALL
FOR
SERVICE.
TELCO FAULT
The telephone line has a problem.
(or
CHECK 94
) CALL
FOR
SERVICE.
Total Power Failure
If there is no keypad 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.
