Operators Handbook DCU3 – System
14., Supplement
BAEDCU3 - Rev. 4.6 - 0504 14 - 2
14.1.3 System Alarms
The alarms included in the table below are set from the system and cannot be switched-off:
Text of alarm line Meaning Remedial measures
„DCU Reset HH:MM ...“ System confirms enabling of a system
reset via the maintenance menu, with
time of release („HH“ hours and „MM“
minutes ago)
Confirm alarm with 'ACK'nowl-
edge
„(Taskname) Watchdog
Reset“
Confirmation of watchdog - reset,
caused by malfunctioning of DCU-
system; with source of malfunction
Make a note of alarm message
and contact our service;
confirm with 'ACK'knowledge
„Hardware Reset“ Confirmation of a hardware reset, re-
sulting from a system reset
Make a note of alarm message
and contact our service;
confirm with 'ACK'knowledge
„Power failure HH:MM ...“ Mains cut-off occurred „HH“ hours and
„MM“ minutes ago (see chapter „Opera-
tional behavior“)
Confirm alarm with 'ACK'nowl-
edge
„Pwf stop ferm HH:MM ...“ Mains failure occurred „HH“ hours and
„MM“ minutes ago;
max. interval of mains failure passed
(see „Operating Behavior“)
Confirm alarm with 'ACK'nowl-
edge
„Printer not ready“ Printer protocol enabled but data
transmission to printer is impossible
Check connection to printer;
switch-over printer into „On-
line“-mode
„Too many alarms ..." The alarm buffer has 20 alarms and
additional alarms occur (buffer over-
flow)
Remove alarm messages from
buffer by confirming alarms
with 'ACK'nowledge
„System error XX:YYY ...“ System error message; note message
down and contact service
confirm alarm with 'ACK'nowl-
edge
„1.MVM/SIO SPx /244“ Disturbance of SPx interface of the first
serial interface extension
Check cable connection;
check peripheral device
„2.MVM/SIO SPx /244“ Disturbance of SPx interface of the
second serial interface extension
Check cable connection;
check peripheral device
„Channel 1..6 /244“ Disturbance of interface channel 1...6 of
the first serial interface extension
Check cable connection;
check peripheral device
„Channel 7..12 /244“ Disturbance of interface channel 7...12
of the second serial interface extension
Check cable connection;
check peripheral device
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