Omron SYSDRIVE 3G3EV SERIES User Manual page 8

Do Not Modify Wiring or Check Signals When the Main Circuit
is On.
Always turn the main circuit off before modifying wiring or checking signals.
Touching terminals while the main circuit is on may cause an electrical shock and dam-
age the equipment.
Do Not Conduct a Dielectric Strength Test.
Because the 3G3EV Inverter is an electronic control unit using semiconductor, never
conduct a dielectric strength test or an insulation resistance test for the control circuit.
Modify Constant Settings Correctly.
Always modify the constant settings according to the procedures described in this
manual.
Chapter 1