3 MAINTENANCE, TROUBLESHOOTING
WARNING
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
Only qualified personnel should work inside the equipment.
3.1Maintenance
3.1.1 Preventive maintenance
Check the following points regularly to maintain performance.
•Check that the connectors on all units of the system are firmly fastened and free of rust. Clean if soiled or corroded.
•Check that all ground wires are tightly fastened.
•Dust and dirt on the display unit including the screen may be removed with a soft cloth. Do not use chemical cleaners to clean the display unit; they can remove paint and markings.
3.1.2 Transducer maintenance
Marine life (barnacles, etc.) adhering to the transducer face will reduce sensitivity. Periodically remove any marine life from the transducer face with fine sandpaper or a piece of wood.
CAUTION
Do not paint the transducer.
Painting will affect performance.
3.1.3 Fuse replacement
Fuses in the units of the system protect the electrical circuitry from burning by overcurrent. If the equipment cannot be energized check the fuse in the power cable connected to the display unit. Locate the cause before replacing the fuse.
Unit | Rating, | Type, | Location | |
Qty | Code No. | |||
|
| |||
|
| FGMB 1A | Fuse | |
Display | 1A, | 125 VAC, | holder in | |
Unit | 2 pcs. | power | ||
|
| 05 | cable | |
|
| FGBO 3A | Inside | |
Distribution | 3A, | 250 VAC | unit | |
Box | 2 pcs. |
| ||
|
| 021 |
| |
|
| FGBO 1A |
| |
Transceiver | 1A, | 250 VAC, |
| |
Unit | 2 pcs. |
| ||
|
| 019 |
|
CAUTION
Use the proper fuse.
Use of a wrong fuse can cause fire or equipment damage and void the warranty.
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