14-21
IM 704510-01E
Troubleshooting and Maintenance
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14.7 Replacing the Power Fuse
WARNING
• To prevent the possibility of fire, only use a fuse with the specified rating
(current, voltage, and type).
• When replacing a fuse, turn OFF the power switch and unplug the power cord.
• Never short the fuse holder.
Specified Rating
The TA720 uses the following power fuse.
• Maximum rated voltage: 250 V
• Maximum rated current: 3.15 A
• Type:
Time lag
• Standard: UL/VDE certified
• Part No.:
A1351EF
Replacement Procedure
Replace the power fuse according to the procedure below.
1.
Turn OFF the power switch.
2.
Remove the power cord from the power connector.
3.
Insert the tip of a flat-blade screw driver in the dented section of the fuse holder on
the power connector side, turn it in the direction of the arrow, and remove the fuse
holder.
4.
Remove the blown fuse that is attached to the tip of the fuse holder.
5.
Attach a new fuse to the fuse holder and attach the fuse holder back in the original
place.
Note
The fuse inside the case cannot be replaced by the user. If you believe the fuse inside the
case is blown, contact your nearest YOKOGAWA dealer as listed on the back cover of this
manual. The ratings of the fuse that is used inside the case are shown below.
Location
Maximum Rated Voltage Maximum Rated Current Type
Standard
Motherboard 250 V
6.3 A
Time lag
VDE/SEMKO/
UL certified