Installation Instructions Part 2

G-Series Installation & Commissioning 92
9.1 Troubleshooting
Power up
Marine Monitors
Problem Possible causes Possible solutions
• The system (or part of it) does not power up. • Power supply problem • Check relevant fuses and breakers.
• Check that the power supply cable is sound and that all
connections are tight and free from corrosion.
• Check that the power source is of the correct voltage and
sufficient current.
Problem Possible causes Possible solutions
• Monitor is blank. • The monitor is in standby mode. • Press the standby/power key on the monitor.
• The monitor has no power supply. • Refer to troubleshooting Power up on page 92.
• Monitor shows “Searching” or “No signal”
message.
• A repeat monitor during system start-up • Wait for a couple of minutes and see if the problem clears.
• The monitor is set to an incorrect input channel. • Press the channel select keys on the monitor to check all
input channels.
• A faulty connection to the GPM400 processor • Check the cable/connection between the monitor and the
GPM400 processor.
• The GPM400 processor is not operating
correctly.
• Check the GPM400 power supply.
Refer to troubleshooting
Power up on page 92.
• Check the GPM400 status LEDs.
Refer to troubleshooting
GVM400 LED indications on
page 100.
• Monitor picture is out of proportion • GPM has 2 monitors with different screen
resolutions
• GPM has 2 monitors with different aspect ratio
• Ensure that monitors connected to a single GPM have the
same screen resolution and aspect ratio.
• Monitor resolution is incorrect (display looks
pixelated or stretched/squashed)