8. MAINTENANCE, TROUBLESHOOTING
8-5
8.3
How to Replace Fuses
The processor unit, transceiver unit and hull unit carry fuses that protect the system
from overvoltage and equipment fault. If the power cannot be applied, check the fol-
lowing.
• Check the fuse in the processor unit.
• Check the breaker in the power supply unit.
• Check the breaker in the transceiver unit. (The breaker is behind the lid front bottom
corner.)
Find the cause before replacing a fuse. If the fuse blows again after replacement, con-
tact your dealer for advice.
* Request serviceman to replace fuse.
8.4
Battery on the Mother Board
The lithium battery on the Mother Board in the processor unit backs up data. When the
voltage is too low, the processor unit will not start.
Note 1:
Check the voltage regularly by doing the [Operation Test], on page 8-12.
When the voltage is 2.9 V or less, the error code 322 appears. Have a qualified tech-
nician replace the battery.
Note 2:
Dispose of the battery in accordance with local regulations. Tape the + and -
terminals of the battery before disposal to prevent short circuit, which could cause a
fire.
Unit
Type
Code No.
Remarks
Processor unit
FGBO1 250V 20A
000-155-775-10
For 12 VDC
FGBO1 250V 10A PBF
000-155-787-10
For 24 VDC
Transceiver unit*
FGMB 250V 3A PBF
000-157-568-10
Internal DC voltage,
2 pcs.
D52-8A
000-178-350-10
Internal B voltage,
1 pc.
FGMB 250V 10A PBF
000-157-495-10
Internal B voltage,
2 pcs.
Hull unit*
FGMB 250V 2A PBF
000-157-497-10
HCTL board,
26 VDC/100 VAC,
3 pcs.
FGMB 250V 1A PBF
000-157-496-10
Breaker output, 2
pcs.
WARNING
Use the proper fuse.
Use of a wrong fuse can cause fire or damage
the equipment.
Name
Type
Code No.
Life
Lithium battery
ER3WKP
000-177-013-10
7 years
Содержание FSV-2S
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