9. MAINTENANCE, TROUBLESHOOTING
9-3
9.3 How to Replace Fuses
The fuses in the processor unit, transceiver unit and hull unit protect them from over-
current and equipment fault. If the power cannot be applied, first check the fuse in the
processor unit and transceiver unit. If the power still cannot be turned on, have a qual-
ified technician check the fuses in other units.
*Fuse cannot be replaced by operator.
9.4 Battery on the Mother Board
The life of the battery on the Mother Board in the processor unit is approx. three years.
When the battery voltage is low the date and time data are not correct when there is
no GPS connection. When this occurs, have a qualified technician replace the battery.
Dispose of the battery in accordance with local regulations. Tape the + and - terminals
of the battery before disposal to prevent fire, caused by short circuit.
Unit Type Code No. Remarks
Processor unit FGB01 250V 20A 000-155-775-10 For 12 VDC
FGB01 250V 10A PBF 000-155-787-10 For 24 VDC
Transceiver unit FGBO 250V 20A 000-155-786-10 For 100/110/115
VAC (2 pcs.)
FGBO 250V 10A PBF 000-155-839-10 For 220/230 VAC
(2 pcs.)
Transceiver unit
(B voltage power
section)*
FGBO 250 V 15A PBF 000-157-874-10 2 pcs.
Transceiver unit
(DC power sec-
tion)*
FGMB 250V 5A PBF 000-157-570-10 2 pcs.
Hull unit* FGMB 250V 2A PBF 000-157-497-10
Use the proper fuse.
Use of a wrong fuse can cause fire or
damage the equipment.
WARNING
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