Simrad AP26 Manual page 99

Simrad AP26 and AP27 Autopilots
Display readout
Shallow water
(Only if AP25 is
part of the
system)
Compass data
missing
No connection
with IPS system
Failure active
Control Unit
98
Probable fault
The depth is inside
the set limit or outside
the range.
Depth data is missing.
No data from selected
compass.
Data missing or
erratic
Active control unit
goes silent.
Recommended action
1. Carefully observe the actual
depth.
2. Adjust the alarm limit if not
hazardous.
3. Steer to safe depth, the alarm
will reset automatically.
4. Turn off the shallow alarm if
depth data is missing.
1. If more that one compass is
connected to the system, refer to
the User Setup/Source select
menu to select a different
compass.
2. Make a source update if no
compass is available.
3. Check connections.
4. Replace compass PCB (Note: Do
not cut cables. There are screw
terminals inside).
Check connections to Volvo
Autopilot Interface. Also refer to
the Volvo IPS User Manual.
1. Press the STBY button on an
"Inactive" unit to reset.
2. Check/repair Robnet2 cable.
3. Replace the control unit PCB.
20222147A