Pyronix 256 System Manual page 144

P C X S M S A N D P C X 2 5 6 S Y S T E M M A N U A L
ATSF 1 Signalling equipment has
Path/Both 100 failed to signal on one of its
paths or both of its path.
Fault Description
SAB Tamper fault detected on
TAMPER connection from SAB
CASE Case tamper switch open
TAMPER
SIREN x
Monitors for German
TAMPER
specification fault conditions
STROBE
on relay plug-on
TAMPER
Up to 30 Invalid key
Code presses have been entered
Guessing or 7 invalid tags have been
presented.
Fault Description
DEVICE FAIL Device on RS-485
xxx communications bus failing to
communicate
485/COMMS Displayed on keypad that has
LOST not yet established
communications with End
Station
Keypad Keypad address does not
display is match any keypad enabled
BLANK
Keypad More than one device
display connected at the same
normal, but address
KEYS LOCKED
OUT
Page: 144
The control panel will automatically signal a test on ATE
output 10 – if the signalling equipment has still failed the
error message will be displayed again. If not everything
will return to normal.
DETECTION FAULTS
Solution
Terminal BT should be at or near 0v.
If not, is SAB Tamper switch closed?
Check Fuse F2 intact, and connections to SAB.
Secure switch closed
For UK use, Site Option "DIGI-REPLY" should NOT be
set to 'Relay monitor'.
Press the X key to clear.
RS-485 BUS PROBLEMS
Solution
Identify device from numeric code.
Check device addressed correctly to match
programming.
Check connections at device, and cabling to it.
If above correct, re-boot device, followed by re-boot of
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).
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.
Correct addressing so that no overlaps. Then power
system down and up again to correctly reinitialise.
RINS871-3