Use Stage Safety Grade
Precautions
²Non-professionals shall not detect signals during
operation. Risk of personal injury or device damage;
²Do not touch the fan or the discharging resistor to
check the temperature. Failure to comply will result in
personal burnt.
DANGER
During
Operation
²Prevent any foreign items from being left in the devices
during operation. Risk of device damage;
²Do not control start/stop of VFD by ON/OFF of
contactor. Risk of device damage.
CAUTION
²Maintenance and inspection can only be performed by
professionals. Risk of personal injury;
²Maintain and inspect devices after power is off. Risk of
electric hazard;
²Repair or maintain the VFD only ten minutes after the
VFD is powered off. This allows for the residual voltage
in the capacitor to discharge to a safe value. Failure to
comply will result in personal injury;
²All pluggable components can be inserted or pulled out
only when power has been turned off;
²Set and check the parameters again after the VFD is
replaced.
DANGER
Main-
tenance
GK3000 User Manual
-4-
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