31. Maintenance and Troubleshooting
31-3
31.4 Troubleshooting
The troubleshooting table below provides common faults and the remedy with which to restore normal operation. If
you cannot restore normal operation do not check inside the equipment - there are no operator-serviceable parts
inside.
Troubleshooting
If… then… Remedy
the power cannot be turned on
• power connector may have
loosened.
• ship’s mains is off.
• fuse has blown.
• Check connector.
• Check ship’s mains.
• Replace fuse.
the power can be turned on but
nothing appears on the display
• brilliance is too low.
• the ambient temperature is less
than 0°C (32°F).
• Adjust brilliance.
• The heater is warming the chart
processor unit. The display
appears in approx. 10 minutes.
the ECDIS program doesn’t start.
The message "No connection to
dongle". appears
• dongle connected to printer or
USB port may have loosened.
• Check connection of dongle.
monitored route is not displayed
• route has not been selected.
• monitor route has not been
selected to be visible above the
chart.
• Select route as monitored.
• Open Route page of Symbol
Display dialog box and select
Monitor route parts.
planned route is not displayed
• route has not been selected.
• planned route has not been
selected to be visible above the
chart.
• Select route as planned.
• Open Route page of Symbol
Display dialog box and select
planned route parts.
symbol of user chart cannot be
erased
• "Enable changes" is not selected.
• two or more symbols may be
superimposed on each other.
• Select "Enable changes" in User
Chart dialog box.
• Click Delete button on Symbol
page several times.
position cannot be found
• sensors are not selected in the
Sensors dialog box.
• LAN adapter cable may have
loosened.
• Check sensor selections in
Sensors dialog box.
• Connect LAN adapter cable.
(Continued on next page)
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