YASKAWA L1000H Quick Start Manual page 6

1 Safety Instructions and General Warnings
• Do not perform work on the drive 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 drive.
• Never short the output circuits of the drive.
Do not short the output circuits of the drive. Failure to comply could result in death or serious
injury.
• Stay clear of the motor during rotational Auto-Tuning. The motor may start operating
suddenly.
During automatic starting of equipment, the machine may start moving suddenly, which could
result in death or serious injury.
• System may start unexpectedly upon application of power, resulting in death or serious
injury.
Clear all personnel from the drive, motor, and machine area before applying power. Secure
covers, couplings, shaft keys, and machine loads before applying power to the drive.
• Do not use an improper voltage source.
Failure to comply could result in death or serious injury by fire.
Verify that the rated voltage of the drive matches the voltage of the incoming power supply
before applying power.
• Do not use improper combustible materials.
Failure to comply could result in death or serious injury by fire.
Attach the drive to metal or other noncombustible material.
• Do not connect AC line power to output terminals U, V, and W.
• Make sure that the power supply lines are connected to main circuit input terminals R/
L1, S/L2, T/L3 (or R/L1 and S/L2 for single-phase drives).
Do not connect the AC power line to the output motor terminals of the drive. Failure to comply
could result in death or serious injury by fire as a result of drive damage from line voltage
application to output terminals.
• 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.
EN 6
WARNING
Sudden Movement Hazard
Fire Hazard
YASKAWA Europe TOEP C710606 91B AC Drive L1000H - Quick Start Guide