112 | Troubleshooting
Display
readout
Probable fault Recommended action
Shallow water The depth is inside the set
limit or outside the range
Depth data is missing
Carefully observe the actual
depth
Adjust the alarm limit if not
hazardous
Steer to safe depth, the alarm
will reset automatically
Turn off the shallow alarm if
data is missing
Compass data
missing
No data from selected
compass
If more that one compass is
connected to the system, refer
to the Setup/Sources menu to
select a different compass
Make a source update if no
compass is available
Check connections
Replace the compass (Note:
Do not cut cables. There are
screw terminals inside)
Rudder data
missing (not
applicable for
Virtual
feedback
installations)
Rudder feedback signal
missing or erratic
Check all connections.
Check the alignment as per the
installation instructions
Replace rudder feedback unit.
Rudder
response
failure
No response to rudder
command
Check all connections
Check Rudder FB transmission
link (not applicable for Virtual
feedback installations)
Check drive unit
motor/brushes
Replace the autopilot computer
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