Depth Operation and Installation Handbook
Chapter 3:
a
nd
Maintenance
Chapter 3:
Finding and Maintenance
3.1 Fault Finding
All
products are, prior to packing and shipping, subjected to
comprehensive test and quality assurance programmes. However, if a
arises with the ST50 Flus Depth,
following table will help to identify the
probable cause and provide the most likely cure.
Fault
Instrument display
blank.
Cause
No supply.
Action
Check supply.
Check cabling and
security of
connectors.
Check fuse/breaker.
Return unit for repair
Instrument displays
set’,
ENTER CODE.
The ‘CODE Lock
Enter correct code
feature has been set.
number.
No exchange of
cabling
information between
problem.
instruments
illumination levels).
Check
of
connectors.
Remove instruments
one by one to isolate
faulty unit.
Failure of a group of
instruments in
cabling/connector
chain.
problem.
Check security of
connectors
between functioning
and nonfunctioning
instruments.
Depth reading
Transducer
Check cabling and
continuously flashes
cable/connector
securii of transducer
greater than 3
problem.
connector.
Depth reading flashes
Aereated water, boat
Normal reading will
while underway.
wakes, propellor wash return when clear of
etc.
disturbed water.