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DETECTION FAULTS
Fault Description Solution
Case Tamper
XXX
Case tamper switch open Secure switch closed. Same method of showing the
device as battery fault.
COMMUNICATION FAULTS
Fault Description Solution
Control
Panel
Modem Fault
End Station unable to
communicate with Digi
Modem
If modem not present, ensure that “Disable Digi” option
is set to ‘YES’ and “DOWNLOAD MODE” is set to ‘NONE’
or ‘RS232’. If present, but not detected, check the
modem is inserted correctly.
Control
Panel ARC
Call Fail
Call to ARC from Digi
Modem Digi Modem has
failed. Note: This is a
communication problem,
which is rarely caused by
an equipment fault.
Check ALL call details are programmed correctly.
Ensure signalling format is correctly set for ARC
receiver. Ensure that calls to the ARC or SMS bureaux
numbers are allowed on the PSTN line, eg 0800, 0845
etc.
CHC TEST
FAIL
Unable to communicate
with Castle Host
Computer. Note: This
would also result if the
telephone line had
premium rate calls
blocked.
Ensure the Digi is enabled, and at least one SMS call is
correctly programmed.
Check that ordinary phone on same line connects to
CHC, and modem tones heard – if not, problem is PSTN
– NOT equipment.
Control
Panel Line
Fault 100
PSTN Line Fault signalled
by Digi Modem.
Only operative if "DOWNLOAD BY MODEM" selected OR
"DISABLE DIGI/SMS" is set to 'NO'
Note: 'Line Fault' timer operative.
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