Inspection And Maintenance; Cpu And Power Supply Fuses - Omron SYSMAC C500 Installation Manual

Appen d i x A
CPU and Power Supply
Fuses
Output Unit Fuses
54

Inspection and Maintenance

Certain consumable items in a PC (such as fuses, relays, or batteries) need
occasional replacement. This Appendix explains how to replace each of
these items. Refer to Appendix B Specifications for the specifications of indi-
vidual consumable items. Always keep spare items on hand so that they can
be used as immediate replacements.
To replace a fuse in the CPU or Power Supply, follow the steps below.
1. Turn OFF the power to the PC.
2. Remove the fuse holder by turning it approximately 50 counterclock-
wise with a standard screwdriver.
3. Remove the fuse from the holder.
Turn counterclockwise
to remove, clockwise to
attach
Standard screwdriver
4. Insert a new fuse.
5. Reattach the fuse holder by turning it approximately 50 clockwise with
a standard screwdriver.
To replace a fuse in an Output Unit, follow the steps below.
1. Turn OFF the power to the PC.
2. Detach the terminal block from the Output Unit, by removing the screws
located at the top and bottom of the terminal block.
Mounting screws
Located at the top and bottom.
Terminal block mounting screws
Located at the top and bottom of
the terminal block.
Cover mounting screws (8)