Nexus 21 NX2 - Manual (Page 25)

SERVER
3.2.2 Fault - action
1. Speed and distance functions: No reading ( --- )
- C95 (COG) should be OFF, if no navigator is connected.
The server is equipped with a built in fault finding LED. Every turn the paddle wheel
takes the LED flashes once. When the boat is standing still the LED is either on or off.
If you remove the transducer and slowly spin the paddle wheel the LED should go on
and off.
When the boat is running the LED is flashing.
If the LED is constantly on or of, check the connections.
Compass A
Compass B
Wind A
Wind B
Depth echo
LOG pulses
Irregular values: Check the speed damping (SEA), (see Instrument manual).
2. Compass: No reading ( --- )
− C94 should be OFF, otherwise, COG is displayed instead of HDC.
− C75 should be OFF, if no NMEA compass is connected.
− Make sure the (Auto DEV) routine is done correctly, (see instrument manual)
− Make sure the transducer is not mounted upside down.
− The transducer cable should face down.
− Make sure transducer is aligned correctly, (see instrument manual).
24