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7 MAINTENANCE AND INSPECTION
WAR NI NG
●Never touch high-voltage terminals in the inverter.
Failure to observe- this warning can result in an electrical shock
●Replace all protective covers before powering up the inverter. To remove the cover, make sure to
shut OFF the molded-case circuit breaker.
Failure to observe this warning can result in an electrical shock.
●Perform maintenance or inspection only after verifying that the CHARGE LED goes OFF, after the
main circuit power supply is turned OFF.
The capacitors are still charged and can be dangerous.
●Only authorized personnel should be permitted to perform maintenance, inspections or parts
replacement.
[Remove all metal objects (watches, bracelets, etc.) before operation.
]
(Use tools which are insulated against electrical shock.)
Failure to observe this warning can result in an electrical shock.
CAUTION
● The control PC board employs CMOS ICs. Do not touch the CMOS elements.
They are easily damaged by static electricity.
●Do not connect or disconnect wires or connectors while power is applied to the circuit.
Failure to observe this caution can result in personal injury.
This chapter describes basic maintenance and inspection procedures for the TG-300.
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