12 U8903A User’s Guide
1Getting Started
Maintenance
Fuse removal/replacement
This section contains the information for replacing the
U8903A rear panel AC line fuse.
Perform the following procedure to replace the fuse.
1 Use a tweezer to remove the fuse holder.
2 You will be able to see two fuses. The active fuse is the
one on the right while the other is the backup.
3 Remove the active fuse and replace it with the one of the
correct rating and type for your selected input AC line
voltage.
Ensure that you are using the quick-acting, low-breaking capacity
5 A/250 V fuse.
Ensure that you use the correct fuse rating for the selected AC line
voltage. Do not use repaired fuses or short-circuited fuse holders to
avoid any unexpected hazards.
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