38 YASKAWA ELECTRIC TOBP C720600 01E YASKAWA AC Drive Option CDBR-D, LKEB- Installation Manual
6 Electrical Installation
6 Electrical Installation
◆ Section Safety
Electric Shock Hazard
Failure to comply will cause death or serious injury. Before servicing, disconnect all
power to the equipment and wait for at least the time specified on the warning label. The
internal capacitor remains charged even after the drive is de-energized. The charge
indicator LED will extinguish when the DC bus voltage is below 50 Vdc. When all
indicators are OFF, measure for unsafe voltages to confirm the drive is safe.
Electrical Shock Hazard
Do not remove the front covers of the drive or the option while the power is on.
Failure to comply could cause death or serious injury.
Do not operate equipment with covers removed.
Failure to comply could cause death or serious injury.
The diagrams in this section may include options and drives without covers or safety
shields to illustrate details. Reinstall covers and shields before operating the drive and run
the drive according to the instructions described in this manual.
Do not allow unqualified personnel to perform work on the drive.
Failure to comply could cause death or serious injury. Only authorized personnel familiar
with installation, adjustment, and maintenance of AC drives may perform work.
Do not touch circuit boards while the power to the drive and option is on.
Failure to comply could cause death or serious injury.
Do not use damaged wires, stress the wiring, or damage the wire insulation.
Failure to comply could cause death or serious injury.
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