Instrument Troubleshooting - Raymarine i50 Depth Installation And Operation Instructions Manual

10.2 Instrument troubleshooting

Fault
Blank display.
ng
SeaTalk / SeaTalk information not being
transferred between instruments.
A group of SeaTalk / SeaTalk
working.
LAST flashing or dashes displayed
continuously (depth greater than 3 feet).
LAST flashes when under way.
Troubleshooting
Cause
No power supply.
SeaTalk / SeaTalk
fault.
ng units not SeaTalk / SeaTalk
fault.
Transducer cable or connector fault.
Aerated water due to vessel wakes,
propeller wash etc.
Action
• Check fuse / circuit breaker.
• Check power supply.
• Check SeaTalk / SeaTalk
ng
cabling or connector • Check security of SeaTalk / SeaTalk
• Check condition of SeaTalk / SeaTalk
• Isolate faulty unit by disconnecting
ng cabling or connector • Check the security of SeaTalk /
• Check the condition of SeaTalk /
• Check condition of the transducer
• Ensure reading stabilizes when clear
ng
and connector security.
connections between units.
cables.
units one by one.
SeaTalk ng connectors between
functioning and non-functioning units.
SeaTalk ng cable between functioning
and non-functioning units.
cable(s) and the security of the
connections.
of disturbed water.
cabling
ng
ng
75