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Installation
2-2-3
Unit Handling Precautions
To remove the Unit, loosen the screw with a Phillips screwdriver, rotate the
Unit upwards, and then remove it.
• Always turn OFF the CPU Unit before mounting or removing a MC Unit or
connecting or disconnecting cables to/from the MC Unit.
• Place the port connecting cables in a different duct from those for high-
voltage lines or power lines to prevent the effects of electrical noise from
these lines.
• Do not remove the protective label from the top of the Unit until wiring has
been completed. This label prevents wire strands and other foreign matter
from entering the Unit during wiring. Remove the label after wiring has
been completed to allow air circulation needed for cooling.
Remove label after wiring.
Section 2-2
105
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Troubleshooting
