3 safety procedure, Section safety, Safety procedure – Yaskawa EUS61501X User Manual
Page 9: 3safety procedure

3 Safety Procedure
YASKAWA TOEP YEAOPT 06 YASKAWA AC Drive - G5HHP Power Supply Unit with Charge LED Safety Precautions
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3
Safety Procedure
Section Safety
DANGER
Electrical Shock Hazard
Risk of Electric Shock - Do Not Touch.
The internal capacitor remains charged after the power supply is turned off. Disconnect all power to the drive before
servicing.
Wait until the status indicator LED is off and then measure DC bus voltage to confirm a safe level below 50 Vdc on bus
capacitors and 0 Vac on 4PCB TB1 before servicing. The charge indicator LED will extinguish when the DC bus
voltage is below 50 Vdc.
Failure to comply can result in serious injury or death from electric shock.
W ARNING
Electrical Shock Hazard
Do not allow unqualified personnel to use equipment.
Failure to comply could result in serious injury or death.
Maintenance, inspection, and replacement of parts must be performed only by authorized personnel familiar with
installation, adjustment, and maintenance of this product.
Do not use damaged wires, or damage the wire insulation.
Failure to comply could result in serious injury or death.
Fire Hazard
Tighten all terminal screws to the specified tightening torque.
Loose electrical connections could result in serious injury or death by fire due to overheating of electrical connections.
NOTICE
Do not operate damaged equipment.
Failure to comply may cause further damage to the equipment.
Do not connect or operate any equipment with visible damage or missing parts.
Properly connect all pins and connectors.
Failure to comply may prevent proper operation and possibly damage equipment.
Check wiring to ensure that all connections are correct after installing the Power Supply Unit with Charge LED
and connecting any other devices.
Failure to comply may result in damage to the option.