5
Safety Precautions
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-Axxxx)
Safety Precautions
Indications and Meanings of Safety Information
In this user's manual, the following precautions and signal words are used to provide
information to ensure the safe use of the 3G3MX2 Inverter.
The information provided here is vital to safety. Strictly observe the precautions provided.
Meanings of Signal Words
Alert Symbols in this Document
Indicates a potentially hazardous situation which, if not avoided, will 
result in minor or moderate injury, or may result in serious injury or 
death. Additionally there may be significant property damage.
Indicates a potentially hazardous situation which, if not avoided, may 
result in minor or moderate injury or in property damage.
WARNING
CAUTION
Turn off the power supply and implement wiring correctly. Not doing so may result in a serious injury 
due to an electric shock.
Wiring work must be carried out only by qualified personnel. Not doing so may result in a serious 
injury due to an electric shock.
Be sure to ground the unit. Not doing so may result in a serious injury due to an electric shock or fire.
(200 V class: type-D grounding, 400 V class: type-C grounding)
Do not remove the terminal block cover during the power supply and 10 minutes after the power 
shutoff. 
Doing so may result in a serious injury due to an electric shock.
Do not operate the Digital Operator or switches with wet hands. Doing so may result in a serious 
injury due to an electric shock.
Inspection of the Inverter must be conducted after the power supply has been turned off. Not doing 
so may result in a serious injury due to an electric shock. The main power supply is not necessarily 
shut off even if the emergency shutoff function is activated.
Do not change wiring, slide switches, or optional devices while power is being supplied.
Doing so may result in a serious injury due to an electric shock.
Do not touch the Inverter fins, braking resistors and the motor, which become too hot during the 
power supply and for some time after the power shutoff. Doing so may result in a burn.
WARNING