Skipper GDS102 - Page 67

Page 67 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
Basic system integrity
1. No picture on LCD Screen. 1. No AC or DC power to the system.
2. System is in standby.
3. To low screen backlight.
4. Defective LCD module.
5. Voltage(s) out of range.
1. Check switches and fuses on the
terminal PCB inside the GDS102
cabinet.
2. Press any button on panel.
3. Increase backlight setting.
4. Replace module.
5. Replace terminal PCB.
1. Picture is dicult to read. 1. Backlight is too weak. 1. Increase backlight setting.
1. Display backlight malfunctions.
2. Display picture is faintly visible.
1. Defective backlight tubes.
2. Defective backlight power inverter.
1. Replace tube assembly.
2. Replace inverter PCB.
1. Rotary encoder malfunctions. 1. Defective encoder or interface. 1. Replace keyboard PCB.
1. Panel buttons malfunctions. 1. Defective buttons or interface.
2. One button stuck.
1. Replace keyboard PCB.
2. Check key switches or replace
keyboard PCB.
Symptom Cause Remedy
Basic functionality
1. No bottom detection or bottom
contour.
1. Too low Gain setting.
2. Too low TVG setting.
3. Too low power setting.
4. Wrong frequency selection.
1. Adjust settings.
2. Adjust settings.
3. Adjust settings.
4. Select correct frequency.
1. Bottom tracking is intermittent
or erroneous.
1. Marginal gain, TVG or power set-
tings.
2. Weather conditions.
3. Transducer installation faulty.
4. Faulty dual transceiver PCB.
1. Adjust settings.
2. Try adjusting gain, TVG or power
settings.
3. Check transducer wiring.
4. Change or check dual transceiver PCB.
1. Bottom tracking is masked by
high noise levels.
1. Too high gain setting.
2. Too high TVG setting.
3. To high power setting.
1. Adjust settings.
2. Adjust settings.
3. Adjust settings