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SAFETY
To get best performance with SJ-FB (Feedback Board), read this manual and all of the warning sign attached to
the inverter carefully before installation and operation, and follow the instructions exactly. Keep this manual
handy for your quick reference.
Definitions and Symbols
A safety instruction (message) is given with a hazard alert symbol and a signal word;
WARNING or CAUTION. Each signal word has the following meaning throughout this manual.
This symbol means hazardous high voltage. It used to call your attention to
items or operations that could be dangerous to your and/or other persons
operating this equipment.
Read these messages and follow these instructions carefully.
This is the "Safety Alert Symbol. " This symbol is used to call your attention to
items or operations that could be dangerous to your and/or other persons
operating this equipment. Read the messages and follow these instructions
carefully.
WARNING
WARNING
Indicates a potentially hazardous situation which, if not avoided, can result in
serious injury or death.
CAUTION
CAUTION
Indicates a potentially hazardous situation which, if not avoided, can result in
minor to moderate injury, or serious damage of product.
The matters described under may, if not avoided, lead to serious
results depending on the situation. Important matters are described
in CAUTION ( as well as WARNING ), so be sure to observe them.
NOTE
NOTE
Notes indicate an area or subject of special merit, emphasizing either the
product's capabilities or common errors in operation or maintenance.
HAZARDOUS HIGH VOLTAGE
Motor control equipment and electronic controllers are connected to hazardous line voltages. When
servicing drives and electronic controllers, there might be exposed components with cases or
protrusions at or above line potential. Extreme care should be taken to product against shock.
Stand on an insulating pad and make it a habit to use only one hand when checking components.
Always work with another person in case an emergency occurs. Disconnect power before checking
controllers or performing maintenance. Be sure equipment is properly grounded. Wear safety glasses
whenever working on electronic controllers or rotating electrical equipment.
CAUTION