Honeywell ADEMCO Vista-12 Series User Manual page 23

Trouble Conditions
Total Power Failure If there is no keypad display at all, and the READY indicator is not lit, operating
(cont'd)
MODEM COMM
(or CC)
BELL FAILURE
(or CHECK 70)
AC LOSS
(or NO AC )
Busy-Standby
(or dI)
OPEN CIRCUIT
CALL FOR
(or OC)
Long Rng Trbl
portion of your
(or bF)
TELCO FAULT
(or CHECK 94)
power (from AC and back-up battery) for the system has stopped and the system is
inoperative. CALL FOR SERVICE.
Indicates that the control is on-line with the Central
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.
Indicates that the wiring connection to the external
sounder
is at fault (open or shorted). Accompanied by
"beeping" at the keypad. CALL FOR SERVICE.
The system is only operating on battery power due to
an AC power
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.
If this message remains displayed for more than 1
minute, system is disabled. CALL FOR SERVICE.
The keypad is not receiving signals from the control.
SERVICE.
If installed, the back-up communications media
system has failed (e.g. internet, intranet networks,
long range radio).
CALL FOR SERVICE.
The telephone line has a problem.
CALL FOR SERVICE.
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