E-12
Maintenance and Inspection
• Do not attempt to disassemble or repair the Machine
Controller.
There is a risk of electrical shock, injury, or device dam-
age.
• Do not change any wiring while power is being sup-
plied.
There is a risk of electrical shock, injury, or device dam-
age.
• Do not forget to perform the following tasks when you
replace the CPU Unit:
• Back up all programs and parameters from the CPU Unit that
is being replaced.
• Transfer all saved programs and parameters to the new CPU
Unit.
If you operate the CPU Unit without transferring this data,
unexpected operation may occur. There is a risk of injury
or device damage.
CAUTION
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