Onwa Marine Electronics KAP-866 - Manual (Page 39)

5.2 Troubleshooting
This section provides basic troubleshooting procedures which the user may
follow to restore normal operation.
Troubleshooting
Symptom Cause Remedy
Cannot turn on
the power
Power cable on the
display unit
Power supply failure
Blown fuse
Firmly connect the power
cable
Check the power supply.
Heading indication
changes randomly
when ship is at
anchor or does
not change when
ship moves.
Sensor trouble or
Cable contact is bad. Run the diagnostic test
to determine cause.
Replace fuse with correct
rating. Have a qualified
technician to check if
fuse blown again after
replacement.
Rudder not
functioning
No rudder angle
indication RFU problem or RFU
cable contact is bad
1. Check voltage supply to
KAP-866
2. Check the steering system
1. Check RFU
2. Check RFU cable
3. Check RFU and rudder
connection
Low voltage output
from KAP-866 or
steering system problem
If large heading error occurs or heading indication is frequently interrupted,
contact your dealer for advice.
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