v
Maintenance and inspection, parts replacement, and installation of an
option card
• Turn the power OFF and wait for at least five minutes before starting inspection, parts
replacement, and installation of an option card. Further, check that the LED monitor is unlit
and that the DC link bus voltage between the P (+) and N (-) terminals is lower than 25
VDC.
Otherwise, electric shock could occur.
• Maintenance, inspection, and parts replacement should be made only by qualified
persons.
• Take off the watch, rings and other metallic objects before starting work.
• Use insulated tools.
Otherwise, electric shock or injuries could occur.
Disposal
• Treat the inverter as an industrial waste when disposing of it.
Otherwise injuries could occur.
Others
• Never attempt to modify the inverter.
Doing so could cause electric shock or injuries.
GENERAL PRECAUTIONS
Drawings in this manual may be illustrated without covers or safety shields for explanation of
detail parts. Restore the covers and shields in the original state and observe the description
in the manual before starting operation.
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