Raymarine ST40 Wind Owner's Handbook Manual page 17

Chapter 2: Maintenance and Fault Finding
Display blank
No wind
information
SeaTalk
information
not being
transferred
between
instruments
A group of SeaTalk
instruments not
working
ST40
ST40
OR
ST40
For example, backlighting
level changes implemented
at one instrument do not
affect other instruments
ST40 WIND
ST40 WIND
ST40 WIND
D4758-2
Action
Check fuse/circuit breaker.
Check power supply.
Check SeaTalk cabling and
WIND
D4756-2
connector security.
Action
Check the condition of the wind
transducer cable and the security of
the connections.
WIND
If apparrent (A) wind speed
information is present but true (T)
wind speed information is not, boat
speed information may be missing.
WIND
D4757-2
Action
Check security of SeaTalk
connections between instruments.
Check condition of SeaTalk cables.
Isolate faulty instrument by
disconnecting instruments one by one.
Action
Check the security of SeaTalk
connectors between functioning and
non-functioning instruments.
9