Yaskawa R1000 Series Power Regenerative Unit - Manual (Page 136)

136 YASKAWA ELECTRIC TOEP C710656 08B YASKAWA Power Regenerative Unit - R1000 Instruction Manual
7.1 Section Safety
7.1 Section Safety
W ARNING
Electrical Shock Hazard
Do not connect or disconnect wiring while the power is on.
Failure to comply could result in death or serious injury.
Before servicing, disconnect all power to the equipment. The internal capacitor remains charged even after the power
supply is turned off. The charge indicator LED will extinguish when the DC bus voltage is below 50 Vdc. To prevent
electric shock, wait for at least the time specified on the warning label; after all indicators are OFF, measure for unsafe
voltages to confirm the unit is safe prior to servicing.
Do not operate equipment with covers removed.
Failure to comply could result in death or serious injury.
The diagrams in this section may show units without covers or safety shields to show details. Be sure to reinstall covers
or shields before operating the unit and run the unit according to the instructions described in this manual.
Do not remove covers or touch circuit boards while the power is on.
Failure to comply could result in death or serious injury.
If a fuse is open or ground fault circuit interrupter GFCI is tripped, check the wiring and the selection of the
peripheral devices.
Contact your supplier if the cause cannot be identified. Failure to comply may result in electrical shock by indirect or
direct contact. The regenerative unit can cause a residual current with a DC component in the protective earthing
conductor.
Do not allow unqualified personnel to perform work on the unit.
Failure to comply could result in death or serious injury.
Installation, maintenance, inspection, and servicing must be performed only by authorized personnel familiar with
installation, adjustment, and maintenance of this equipment.
Do not perform work on the unit while wearing loose clothing, jewelry or without eye protection.
Failure to comply could result in death or serious injury.
Remove all metal objects such as watches and rings, secure loose clothing, and wear eye protection before beginning
work on the unit.
Do not use damaged wires, place excessive stress on wiring, or damage the wire insulation.
Failure to comply could result in death or serious injury.
Fire Hazard
Tighten all terminal screws to the specified tightening torque.
Loose electrical connections could result in death or serious injury by fire due to overheating of electrical connections.
CAUTION
Carry all standard configuration and peripheral devices in a method suitable for the weight of the device.
Incorrectly handling devices could cause them to fall and result in injury or damage to the device.
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