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Troubleshooting
12
Fault message indication
12 Troubleshooting
12.1 Fault message indication
12.2 Panel
124 | 151
No. Description Cause
1
General
The system has a
fault
fault.
2
System fault Failure of the main
CPU
Sounder line
Fault on sounder
3
and alarm
lines or alarm device
fault on ↑ C-NET ↑
device fault
detector line(s)
4
RT fire fault
Fault on RT fire line
Description
Cause/Action
Date and time fault Power down, reset date and time. See chapter 'Set date &
time [➙ 87]'.
Buzzer not working Check the position of the buzzer switch on the mainboard. If
the buzzer still does not work, replace the mainboard.
↑ Detector line
1. Power off detector line first, then restart it.
overload
2. If the error still occurs, check the load on the detector line
Action
Check whether another fault LED is
flashing, if not:
●
Check the display
●
Check whether the fault control
input is activated.
Visual check of the cable connections
●
Switch power off and restart. If the
fault is still displayed, replace the
mainboard.
●
Check alarm device status on
sounder lines and C-NET detector
line(s).
●
Check the sounder lines for the
following:
–
–
–
Check remote transmission
by using the 'FC360 Cerberus FIT Quantities tool'
Short circuit
Open circuit
Missing EOL element or defect
A6V10421795_en--_k
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