Skipper GDS102 - Page 68

Page 68 of 77
SKIPPER Electronics AS
Edition: 2017-06-12
GDS102 Operation and Installation Manual
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Chapter: 5. Trouble shooting
Symptom Cause Remedy
NMEA and external interfaces.
1. NMEA input signals are not listed
on the NMEA screen 10.
1. Wrong polarity input signals.
2. NMEA port, selected for observation is
not correct.
3. Wrong baud rate.
4. RS-232 driver malfunction.
5. NMEA driver malfunction.
1. Swap NMEA input wires.
2. Try to select another NMEA port
on the NMEA screen.
3. Select the same baud rate as the
talker.
4. Replace CPU PCB.
5. Replace terminal PCB.
1. NMEA input signals are listed
on the NMEA screen 10, but not
accepted by the GDS102.
1. GDS102 initialization.
2. Irregular message mnemonic.
1. Cycle GDS102 power after
NMEA connection is established.
2. Check remote (talker) setup.
1. NMEA output signals are not
accepted by the remote system.
1. Remote listener setup. 1. Verify correct remote listener
setup e.g. baud rate etc.
1. Analogue output malfunctions. 1. Incorrect analogue limits setting.
2. Analogue circuitry malfunction.
1. Verify upper and lower limits on
screen 7. See “Fig. 2.8. Screen 7.
Interface setup screen.” on page 20.
2. Replace terminal PCB.
1. Remote sounding control inputs
malfunction.
1. Incorrect polarity.
2. Pulse input circuitry malfunction.
1. Verify settings on screen 7.
2. Replace terminal PCB.