54
Enforcer V10 Programming Guide
RS-485 Bus Problems
FAULT
DESCRIPTION
SOLUTION
485 Fail xxx
Device on RS-485 communications bus
is failing to communicate correctly with
the control panel.
Identify device from the location/
name and the device type. Check
device addressed correctly to match
programming. Ensure that 2 devices of
the same type do not share the same
address. Check connections at device,
and cabling to it. If above correct, re-
boot device, followed by re-boot of End
Station.
485/Comms Lost
Displayed on keypad that has not yet
established communications with End
Station
Part of routine initialisation procedure.
If persists, check display at other
keypad(s) to confirm if device failure
at that keypad or complete system
RS-485 failure (temporarily attach
additional keypad direct to End Station
if necessary).
Keypad display is BLANK
Keypad address does not match any
keypad enabled
Check keypad address, noting that a
keypad at address 00 must be present to
program system.
Also check “Assigning Keypads” menu in
Engineer mode set up correctly.
Keypad display normal,
but KEYS LOCKED OUT
More than one device connected at the
same address
Correct addressing so that no overlaps.
Then power system down and up again
to correctly reinitialise.
Authorisation
Required
The master manager will need to give
the Engineer access
The option ‘Allow Engineer Menu’ will
need to be enabled by the master
manager
Power Supply Problems
FAULT
DESCRIPTION
SOLUTION
Battery Fault xxx
Battery Fuse failed, OR Battery not
present, OR Battery volts low
Please note: This indication should
be expected during recharge after a
mains failure.
The top line displays ‘Control Panel’ if it
is a fault on the endstation, if the Battery
fault is on a ZEM/OPM ‘xxx’ will show
the device type and the top line the
location text if entered, if not it shows
xxx-nn where nn is the address of the
ZEM/OPM.
