Notes for Inverter and Converter
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CAUTION
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D Never touch the heatsink since the temperature is very high.
Failure to observe this caution may result in harmful burns to the body.
6-3
D Since it is easy to change operation speed from low to high speed, verify the safe
working range of the Motor and machine before operation.
Failure to observe this caution may result in personal injury.
6-3
D Do not check signals during operation.
The machine or the unit may be damaged.
6-3
D Do not change the settings of the Inverter unnecessarily. All the constants of the In-
verter have been preset at the factory.
The machine or the unit may be damaged.
6-3
J Maintenance and Inspection
WARNING
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D Never touch high-voltage terminals in the Inverter and the Converter.
Failure to observe this warning may result in an electric shock.
13 -2
D Close upper and lower covers before powering up the Inverter or the Converter. To
open the covers, make sure to shut OFF the molded-case circuit breaker.
Failure to observe this warning may result in an electric shock.
13 -2
D Perform maintenance or inspection only after verifying that the CHARGE LED indica-
tor and 7-segment display go OFF, after the main circuit power supply and control
power supply are turned OFF.
The capacitors are still charged and may be dangerous.
13 -2
D Only authorized personnel should be permitted to perform maintenance, inspections
or parts replacement.
Remove all metal objects, such as watches and rings, before starting work. Always
use grounded tools.
Failure to observe this warning may result in an electric shock.
13 -2
CAUTION
Page
D The control PC board employs CMOS ICs. Do not touch the CMOS elements.
They are easily damaged by static electricity.
13 -2
D Do not connect or disconnect wires or connectors while power is applied to the cir-
cuit.
Failure to observe this caution may result in personal injury.
13 -2
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