Kongsberg Simrad IS12, Manual, Page: 34 / 40

IS12 Mega
34
E04252
5.3 Fault Finding
Symptom Possible Cause Remedy
No display on any heads • Faulty connection to power • Check power connection
in the system • Fuse has blown • Replace fuse and check
power supply current
No display on one or • IS12 data cable loose or broken • Check cable linked to
more heads in system first faulty unit. Replace if
necessary
Occasional poor • Electrical interference from other • Fit interference suppressors
performance equipment on boat to equipment responsible
Display shows “---” • Master unit not present in system • Mega can only repeat data
• Required NMEA sentence not that is available on network
available
• Faulty connection to master unit • Check data cable links
No NMEA Input/Output • NMEA connections reversed • Check NMEA connections
These simple checks should be carried out before seeking tech-
nical assistance and may save time and expense. Before contact-
ing your servicing agent please note the unit’s serial number.
5.4 Spares & Accessories
The following spares and accessories are available from local
Simrad agents. Please quote part number when ordering -
IS12Mega:R Extra Mega Repeater Display
IS12Data:R Digital Repeater (two line)
IS12Remote:F Remote Controller
SPC2M Power Cable 2m
SDC0.3M IS12 Cable 0.3m
SDC02M IS12 Cable 2m
SDC05M
IS12 Cable 5m
SDC10M IS12 Cable 10m
SDJ Three Way Cable Joiner
STP Spare Network Terminator
PIC Spare Instrument Cover
ISPK07 Spare Bezel & Keypad Pack - Mega