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General Warnings and Cautions 4
!Caution Do not connect the megger to any control circuit terminals such as intelligent
I/O, analog terminals, etc. Doing so could cause damage to the inverter.
!Caution Never test the withstand voltage (HIPOT) on the inverter. The inverter has a
surge protector between the main circuit terminals above and the chassis
ground.
!Caution The life of the capacitor depends on ambient temperatures. Refer to the dia-
gram of product life specified in the manual. When the capacitor stops operat-
ing at the end of the product's life, the inverter must be replaced.
!HIGH VOLTAGE Be careful not to touch wiring or connector terminals when working with the
inverters and taking measurements. Be sure to place the measurement cir-
cuitry components above in an insulated housing before using them
4 General Warnings and Cautions
!WARNING Never modify the unit. Otherwise, there is a danger of electric shock and/or
injury.
!Caution Withstand voltage test and insulation resistance tests (HIPOT) are executed
before the units are shipped, so there is no need to conduct these tests before
operation.
!Caution Do not attach or remove wiring or connectors when power is applied. Also, do
not check signals during operation.
!Caution Be sure to connect the grounding terminal to earth ground.
!Caution When inspecting the unit, be sure to wait ten minutes after turning OFF the
power supply before opening the cover.
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