10
YASKAWA ELECTRIC
TOBP C730600 41E 1000-Series Option DO-A3 Installation Manual
5 Installation Procedure
5
Installation Procedure
◆
Section Safety
DANGER
Electric Shock Hazard
Do not connect or disconnect wiring while the power is on.
Failure to comply will result in death or serious injury.
Disconnect all power to the unit and wait at least the amount of time specified on the unit
front cover safety label. After all indicators are off, measure the DC bus voltage to
confirm safe level, and check for unsafe voltages before servicing. The internal capacitor
remains charged after the power supply is turned off.
W ARNING
Electrical Shock Hazard
Do not remove the front covers of the unit while the power is on.
Failure to comply could result in death or serious injury.
The diagrams in this section may include options and units without covers or safety
shields to show details. Be sure to reinstall covers or shields before operating any devices.
Use the option according to the instructions described in this manual.
Do not allow unqualified personnel to use equipment.
Failure to comply could result in death or serious injury.
Maintenance, inspection, and replacement of parts must be performed only by authorized
personnel familiar with installation, adjustment, and maintenance of this product.
Do not touch circuit boards while the power to the unit is on.
Failure to comply could result in death or serious injury.
