Chapter 4 Maintenance
MDC-2000BB Series
4-3
0093120012-01
4.2
Fuse Replacement
If the input voltage is too high, hyper-current flows or a trouble occurs inside, the fuse blows out.
The fuse is housed in the rear side of the Display unit.
4.3
Consumables
This unit employs the magnetron which is the consumables and needs the replacement periodically.
The magnetron is housed in the Scanner unit. When it is hard to see an image at a far distance, the
magnetron may be deteriorated. In this case, replace the magnetron. When replacing, consult your
sales dealer.
Press the [MENU] key and select [MAINTE]
→ [PROCESSOR UNIT], message of transmission time is
displayed.
Replacement target: Normally 3,000 hours
4.4
Trouble Diagnosis
In this chapter, for finding a troubled location on a ship, a simple troubleshooting is mentioned.
4.4.1
Information required for requesting a repair
Inform us of the following items.
(1) Name of ship, telephone number if the satellite communication system is equipped
(2) Type of equipment
(3) Manufacturing number of the equipment
(4) ROM version (Press the [MENU] key and select [MAINTE]
→ [PROCESSOR UNIT], message of
ROM version is displayed.)
(5) Port of next arrival, arrival schedule and dealer name
(6) Trouble situation and inspected result on a ship
4.4.2
Error Display
When a trouble occurs in the equipment or by miss-operation, the content of the troubles are displayed
on the radar screen. The error, alarm and warning are provided at the time of troubles. When a trouble
is confirmed in the radar, after recording the trouble classification, abnormal location and abnormal
content, press the [ENT] key. And then alarm and error display will disappear.
WARNING
Use the specified fuse. If a fuse other than the
specified one is used, it leads to a serious accident.
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