Pyronix PCX 46 App Programming Reference Manual page 31

LINE FAULT
CALL FAIL TO
ARC
DIGI LINE
FAULT
DIGI Call
Fail 100
8.2.2 RS485 Bus Problems
Fault
DEVICE FAIL xxx
xxx = ROX
xxx = ZEM
xxx = Kpd
xxx = Trd
xxx = Pnl
485/COMMS
LOST
Keypad display is
BLANK
KEYS LOCKED
OUT
PCX 46 Programming Reference
There is no telephone or
GPRS/GSM line
Call to ARC has failed. NOTE This
is a communication problem,
which is rarely caused by an
equipment fault. Most likely
related to hand shake and kiss off
frequency set up at receiver.
PSTN Line Fault signaled by
device using DIGI/ATE pins on the
panel.
Call to ARC from device using
End Station DIGI/ATE pins has
failed.
Description
Wired Device on the RS485 bus
has been lost. Each Device is
recognised by its own name such
as:
Output expander = ROX
Zone expander= ZEM
Keypad = Kpd Reader = Trd
Control panel = Pnl
Displayed on keypad that has not
yet established communications
with the control panel (End
Station)
Keypad address does not match
any keypad enabled in the panel.
a) More than one device
connected at the same address.
b) Too many incorrect key
presses have been entered to
create Code Guessing condition.
correctly.
Make sure to plug the PSTN modem in
analogue convention type telephone line.
Make sure the SIM card is plugged on the
modem
Make sure the GSM/GPRS signal is good
enough.
Check ALL call details are programmed
correctly. Ensure signaling format is
correctly set for ARC receiver.
Check voltage on input pin– if +5/12
volts, device connected is showing fault.
Note: 'Line Fault' timer operative
Check voltage on input – if +5/12 volts,
device connected is showing fault
Solution
Identify device.
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 is at
keypad or complete system BUS failure.
Temporarily install additional keypad.
Check keypad address by pressing and
holding [D] until the security code is
required. Enter 2000 and set the keypad
address. The primary keypad address
MUST be always set to [00]. Make sure in
the "Install Keypads and Readers" menu
in Engineer mode that the keypad
address set up correctly.
a) Correct addressing so that no overlaps.
Then power system down and up again to
correctly reinitialise.
b) Wait 90 seconds for keypad to be re-
introduced onto the system.
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