Chapter 4
MAINTENANCE
4.5
FAULT FINDING
4-28
4.5.2 FUSE CHECKING
Melted fuses are caused by any clear cause. When a fuse is replaced, it is necessary to
check the related circuits even if there is no trouble. In checking, note that there is some
dispersion in the fusing characteristics. Table 4.5-8 shows a list of fuses used in the
equipment.
Table 4.5-8 Fuse List
Location Parts No.
Current
Rating
Type
Protection
Circuit
Application
Display Unit F1 10A MF60NR 250V 10 I/F circuit Display Unit
NCD-2182
Display Unit F2 6.3A ST4-6.3AN1 I/F circuit
Scanner
NKE-2042(4kW)
NKE-2043(4kW)
NKE-2062(6kW)
1.($6kW)
(For DC12V)
for the compound modulator
Display Unit F2 3.15A ST4-3.15AN1 I/F circuit
Scanner
NKE-2042(4kW)
NKE-2043(4kW)
NKE-2062/HS(6kW)
1.($+6$+6(6kW)
(For DC24V)
for the compound modulator
Display Unit F2 5A ST4-5AN1 I/F circuit Scanner
NKE-2103-4/4HS/6/6HS
(10kW)
for the modulator
Display Unit F3 5A ST4-5AN1 I/F circuit Scanner
NKE-2103-4/4HS/6/6HS (6kW)
for the motor
Display Unit F3 10A ST6-10AN1 I/F circuit Scanner
NKE-2103-4/4HS/6/6HS
(10kW)
for the power supply to motor
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