D
ISPLAY
M
ESSAGES (Cont'd)
21
19
AUX POWER FAIL
The load on the AUX 12V supply is excessive and the
protecting fuse has been operated. Contact the installing
company to investigate.
BATTERY
FAILED
The battery has become faulty and will not maintain the
system in the event of a power failure. Contact the
installing company to investigate.
COMMS FAILED
The system has tried to contact the central station but for some
reason has failed.
COMMS LINE FAULT
Log message corresponding to the TELEPHONE FAILED
message on the display
COMSS SUCCESSFUL
The central station has successfully acknowledged receipt of a
communication.
KEYPAD nn TAMPER
Either the wiring to keypad nn has been cut or the keypad back
tamper switch has been opened. If the system is programmed
for customer reset then correct the fault and reset the system.
If not, contact the installing company.
LOW BATTERY
The battery voltage is at a seriously low level. Mains power
must be restored to the system in the near future otherwise the
system will fail completely.
SYSTEM INHIBITED
If there are two or more keypads fitted to the system, all
keypads except the one in use will display SYSTEM INHIB-
ITED during engineering.
TELEPHONE FAILED
The telephone line has become disconnected or faulty. If
possible check the connection to the panel. If the message
persists, contact the installing company.
UNIT TAMPER
The circuit connected to the unit tamper terminals has become
open circuit. Check the external sounder wiring. If an SAB is
not fitted check that TR and 0V are linked.
WATCHDOG FAULT
A mains transient or severe electrostatic discharge has upset
the system software. The system has restarted itself and
should be functioning normally. If the system is appearing
to malfunction or this message frequently appears in the log,
contact your installing company.
ZONE TEST FAILED
CALL ENGINEER
One or more zones are on 14 day test (soak test). Some of these
zones have been violated during the set period and would have
caused and alarm. Contact your installing company. The panel
will continue to operate correctly.