‑9‑
Fundamental Safety Instructions
● Do not touch the equipment casing, fan, or resistor with bare hands to feel the
temperature. Failure to comply may result in personal injuries.
● Prevent metal or other objects from falling into the equipment during operation. Failure
to comply may result in a fire or equipment damage.
Maintenance
● Equipment installation, wiring, maintenance, inspection, or parts replacement must be
performed only by professionals.
● Do not maintain the equipment with power ON. Failure to comply will result in an
electric shock.
● Before maintenance, cut off all the power supplies of the equipment and wait for at least
the time designated on the equipment warning label.
● In case of a permanent magnet motor, do not touch the motor terminals immediately
after power‑off because the motor terminals will generate induced voltage during
rotation even after the equipment power supply is off. Failure to comply will result in an
electric shock.
● Perform routine and periodic inspection and maintenance on the equipment according
to maintenance requirements and keep a maintenance record.
Repair
● Equipment installation, wiring, maintenance, inspection, or parts replacement must be
performed only by professionals.
● Do not repair the equipment with power ON. Failure to comply will result in an electric
shock.
● Before inspection and repair, cut off all the power supplies of the equipment and wait
for at least the time designated on the equipment warning label.
● When the fuse is blown or the circuit breaker or earth leakage current breaker (ELCB)
trips, wait for at least the time designated on the equipment warning label before
power‑on or further operations. Failure to comply may result in death, personal injuries,
or equipment damage.
● When the equipment is faulty or damaged, the troubleshooting and repair work must be
performed by professionals that follow the repair instructions, with repair records kept
properly.
● Replace quick‑wear parts of the equipment according to the replacement instructions.
● Do not use damaged equipment. Failure to comply may result in death, personal
injuries, or severe equipment damage.
● After the equipment is replaced, check the wiring and set parameters again.
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