Simrad AP28 Operator's Manual page 107

Alarm ID
10 Shallow water
11 Deep water
12 Anchor alarm
13 Wind shift alarm
14 True wind speed too high
15 True wind speed too low
16 Boat speed too low
17 Voltage too high
18 Voltage too low
19 Depth data missing
20 Wind data missing
21 Navigation data missing
22 Compass data missing
23 Off course
24 Rudder feedback data missing
25 Rudder feedback failure
26 Rudder response failure
27 Rudder drive overload
28 High temperature
29 Bypass/clutch overload
30 Bypass/clutch disengaged
31 High drive supply
32 Low drive supply
33 Autopilot control communication failure
34 Autopilot function communication failure
35 Non volatile memory failure
Alarm
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