NAPCO XP-400 Using Instruction page 12

H System Troubles
The XP-400 is constantly monitoring its own components, as well as all critical services, such as AC Power
and the Telephone line, to insure that it is always ready to provide the protection for which it was designed.
When a system trouble does occur, it will caution you by lighting the yellow
the keypad buzzer. If you cannot immediately clear the system trouble, the system can still be used. Sim-
ply press
In order to determine the nature of the trouble, press
the number of the illuminated zone light. Refer to the following table to determine the cause of the trouble.
If there is more than one trouble to be viewed, pressing
!SYSTEM mode if there are no additional troubles to view.
1 Beep with
12
to view the trouble as described below, and then arm the system.
D
Keypad Beeps or Zone light
ON
Y flashes 1
1 Beep 2
1 Beep 3
1 Beep 4
D
System Trouble
Condition
AC Power Failure This trouble will occur if AC power is not present. Make sure system
transformer is plugged into AC receptacle and check circuit breaker,
otherwise call installing company for service.
Low Battery If there has been a recent power failure, the battery may be partially
depleted and must be recharged by the control panel. If the trouble
does not go away in 24 hours, call installing company for service.
Communication The system was not able to report to central station. If this is due to a
Failure temporary interruption in the telephone service, the trouble can be
cleared when the service is restored by pressing
call installing company for service.
Telephone Line Cut The telephone line has failed. If telephone service has been tempo-
rarily interrupted, the trouble will clear it is when restored. Otherwise,
call installing company for service.
SYSTEM light and beeping
H
, count the number of keypad beeps and observe
will scroll to the next, and then exit the
D
Action
D
. Otherwise,