Safety Precautions - LG MODBUS-RTU User Manual

Thank you for purchase of LG Modbus-RTU Option Board!
Always follow safety precautions to prevent accidents and potential hazards from occurring.
Safety precautions are classified into "WARNING" and "CAUTION" in this manual.
WARNING
CAUTION
Throughout this manual we use the following two illustrations to make you aware of safety
considerations:
Identifies potential hazards.
Read the message and follow the instructions carefully.
Identifies shock hazards.
Particular attention should be directed because dangerous voltage may be present.
Keep this manual at handy for quick reference.
Do not touch the CMOS components unless the board is grounded.
ESD can cause break down of CMOS components.
Do not change the communication cable with the inverter power is turned on.
Otherwise, there is a danger of connecting error and damage to the board.
Make sure to precisely insert the connector of inverter and option board
Otherwise, there is a danger of connecting error and damage to the board.

SAFETY PRECAUTIONS

Indicates a potentially hazardous situation which, if not avoided, can
result in serious injury or death.
Indicates a potentially hazardous situation which, if not avoided, can
result in minor to moderate injury, or serious damage to the product.
CAUTION