3. MAINTENANCE, TROUBLE SHOOTING
23
3.2
Troubleshooting
The table below provides simple troubleshooting procedures to restore normal opera-
tion. If you cannot restore normal operation, contact your dealer for advice.
3.3
Replacement of Fuse
The fuse in the fuse holder on the supplied cable assembly protects the antenna unit
from overcurrent and equipment fault. If you cannot turn on the power, check the fuse
to see if it has blown. If the fuse has blown, find the reason before you replace the fuse.
If the fuse blows again after the replacement, contact your dealer.
Problem
Remedy
The multi function display can-
not control the radar.
• Check that all cables are tightly fastened.
• Check if the radar source setting is correct.
• Check if the fuse of the cable assembly has blown.
• Check that the power supply is compatible with the
voltage rating of the antenna unit.
Marks and characters appear,
but echoes do not appear.
• Check that the antenna cable is tightly fastened.
• Check the cables for damage.
Picture is not updated or the
picture freezes.
• Check that all cables are tightly fastened.
• Check the cables for damage.
• If the picture has frozen, reboot the multi function
display.
You changed the range, but the
radar picture does not change.
• Try to change the range again.
• Reboot the multi function display.
Poor discrimination in range.
• Adjust the sea control.
Range rings are not displayed.
• Check if the range rings is turned on in the menu.
You set the radar in the transmit
state. The "TX screen" appears
momentarily, but the radar soon
goes into stand-by.
• The overload protection has activated. To restore
normal operation, turn off all equipment in the net-
work. Wait a few seconds then turn on all the equip-
ment.
Name
Type
Code No.
Remarks
Fuse
ATV10A60V
000-192-660-10
10 A fuse For 24 VDC Ship’s Main
ATV15A60V
000-193-631-10
15 A fuse For 12 VDC Ship’s Main
WARNING
WARNING
Use the proper fuse.
Use of a wrong fuse can cause
fire or damage the equipment.
Fuse holder
How to replace the fuse
Open the fuse holder cover and replace
the fuse. Then close the cover.
Cable assembly
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