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Document no.:
S-4-007.875/E
Prepared: 2002-10-01
BM
Revision:
R5 2004-04-07 BM
©
2002, Consilium Marine AB
Service manual
Appendix C: Fault codes C-4
CS3000
25 UNKNOWN
ID
The software does not recognise the ID of a loop unit.
Cause
Remedy
Loop unit faulty.
Exchange the loop unit.
Wrong software in CS3000.
Exchange the software.
Wrong type of detector has been installed.
Install the correct type of detector.
Restart the system.
26
BAD LOOP COMM (Abnormal condition)
Bad communication in a loop.
Cause
Remedy
Noisy environment.
Test the loop. Measure the cable
resistance. See
Cable
break
at the
end of this chapter.
27
LOOP COMM STOPPED
No communication in a loop.
Cause
Remedy
A loop unit is faulty.
Check and if necessary exchange
the loop unit.
28
LOOP TRANS. STOPPED
Loop communication stopped.
Cause
Remedy
Loop modem cannot transmit.
Turn off the power, wait for 5
minutes, then restart the system.
Faulty loop unit.
Search for the faulty unit by
interval-halving and replace the
unit.
29 COMMUNICATION
ERROR
A loop unit has sent a wrong checksum.
Cause
Remedy
Two loop units have the same address.
Check the addresses of the units
and set correct adresses.
Loop unit faulty.
Exchange the unit.