Bay Alarm Vista-20Bay, Installation And Setup Manual

Page: 115 / 138

Section 23 - System Operation
23–5
Power Failure Displays
• If there is no keypad display at all and the POWER indicator (if present) is not lit,
operating power for the system has been lost and the system is inoperative.
• If the message AC LOSS (on alpha keypads) or NO AC (on fixed-word keypads) is
displayed, and the POWER indicator (if present) is off, the keypad is operating on battery
power only.
• If the battery standby capacity is used up during a prolonged AC power outage, the
control's auxiliary power will shut down to minimize deep discharge of the battery.
Other Displays (fixed-word displays are in parentheses)
Busy-Standby
(
dI
). If this remains displayed for more than 1 minute, the system is
disabled.
Modem Comm
(
CC
) The system is in communication with the Central Station for change of
function or status verification.
Comm. Failure
(
FC
) A communication failure has occurred.
Open Circuit
(
OC
) The keypad is not receiving signals from the control and sees an open
circuit.
Long Rng Trbl
(
bF
) Backup LRR communication failure.
Bell Failure (CHECK 70)
Bell supervision failure.
Rcvr Jam (CHECK 90)
RF Receiver jam detected.