N93-582-01 Issue 1 NH Page 40 of 42 © Protec Fire Detection plc 2015
DEV DTEST STARTED
An automatic duration test has been started on the address shown. The device will enter duration test mode
(if it is not disabled).
BATTERY FAULT
The Digilite® DL500 has detected a fault with the internal standby battery. This may be due to a fault with the
batteries, or the connections to the batteries. The Digilite® DL500 may not operate correctly in the event of a
mains failure.
MAINS FAILED
The mains supply to the DL500 has failed, and the DL500 is operating from its standby batteries.
AUX SUPPLY FAULT
A fault has been detected with the Auxiliary 24V output. This may be a wiring fault, or the output may have
been overloaded. The connection to the auxiliary 24V output must be disconnected for 10 seconds to allow
the internal thermal ‘fuse’ to reset.
USER CODE ENTERED
ENG CODE ENTERED
ADV ENG CODE ENTERED
The relevant code entry sequence has been entered into the Digilite® DL500.
CLOCK SET
The time and/or date of the internal clock of the DL500 has been set.
PANEL RESET
The Digilite® DL500 has been reset via the menu system.
LOOP FAULT
A fault, or overload has been detected on the loop driver outputs. This may be due to a short circuit loop
wiring fault or a fault on a loop device. This event can take up to 5 minutes to clear once the fault condition
has been rectified.
BUZZER DISABLED
The internal buzzer of the DL500 has been disabled and will not warn of faults or failed tests.
PC CONNECTED
The Digilite® DL500 has been connected to a PC to upgrade its operating system or site specific data.
SITE DATA CORRUPT
An error has been detected in the site specific data memory. The DL500 may not be operating correctly and
expert advice must be sought.
LOOP LOGGED
The loop devices on the Digilite® DL500 have been logged.
SITE DATA CHANGED
The site specific data memory has been altered. This may be due to logging, allocating and saving new loop
devices or editing device or group text.
SITEFILE ERROR
The revision of ‘site file’ in the Digilite® DL500 is incompatible with the version of Digilite® DL500 operating
system. The correct ‘site file’ revision must be programmed into the Digilite® DL500, or the operating system
must be updated as required.
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