Operation Manual
FT128 Rev 2.4
83
Note: During the restart, the fault output “R1” for Fault TX will be "activated" for few
seconds, the supervised 24 V
DC
outputs S0-S1 will not be supervised and S0-S1
programmed as normally high will be low for a few seconds.
19.2.1 Explanation of Restart Codes
Code 00 appears after manual power on/off or S/W download.
Code 03 will appear after a normal restart.
Code 25 appears after download of SSD and automatic restart.
NOTE! Code 00 – 49 = Main board restart. Some data might be lost, see above.
19.3 During Restart
During the "restart", no fire alarms can be activated and the following is show on the
display:
*** FT128 ***
Checking program memory......
And for a second (if everything is okay, else see Memory fault below):
Booting......
A fault is now generated and the following text message will be shown in the display and
the buzzer will sound:
FAULT: Restart code xx addr yyyy
Date: DD-MM Time: HH:MM
Regarding code xx and yyyy, see page 69. This fault is also indicated by LEDs "Fault TX
activated" (L11) and "General fault" (L7).
After the fault is acknowledged (via menu H6), the LEDs will be turned OFF if there are no
other faults.
After any restart, if any unit was disabled before restart, an individual disablement for these
unit should be done.
Memory fault
In case of a fault in the main board 4556 S/W (system program) the following text message
will be shown in the display:
Memory fault in program area: xxx
This is also indicated by LED "System fault" (L14) and the buzzer sounds steady
(continuous). The Fault TX output is "activated".
A new download of the S/W (system program) is required.
After SSD download (see chapter "SSD programming & download ", page 75), the
following messages might be shown:
Checksum fault in downloaded data.
Control unit will now restart
FAULT: Restart code 25 addr yyyy
Date: DD-MM Time: HH:MM Serviced
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