AIS 3410, Electronics Unit
ED3047G842 / 01 (2009-08)
Technical Manual
6 Repair/Maintenance
6.1 Trouble Shooting
t_ue_e07.fm / 27.08.09
47
6
Repair/Maintenance
GENERAL:
The jumper settings and switch settings on a replacement pcb must be
the same as on the defective pcb. The wire connections must be made
in exactly the same way. Exceptions are explained in this manual.
6.1
Trouble Shooting
6.1.1 Hints
In the case of problems during setting-to-work, the cabling should be checked again. All components
must be supplied with power.
-
To get more information about the problem, read the system fault messages on the screen and refer
to
.
Watchdog
In various error conditions the internal watchdog of the system causes a reset. During the reset the
message "AIS offline" may be displayed (e.g. CHARTPILOT).
Problems after Software Update
If the Electronics Unit does not restart after a software update, the alarm
AIS OFFLINE
is displayed and
a repeat of the software update is not possible, the Disk On Module is in an undefined status and must
be exchanged. See
for further information. This happens in rare cases, when
the supply voltage for the Electronics Unit has been interrupted during the software update.
