Hitachi SJ700-2 - Manual (Page 243)

Chapter 6 Maintenance and Inspection
This chapter describes the precautions and procedures for the maintenance and
inspection of the inverter.
6.1
Precautions for Maintenance and
Inspection ......................................................... 6-1
6.2
Daily and Periodic Inspections ......................... 6-2
6.3
Ground Resistance Test with a Megger ........... 6-3
6.4
Withstand Voltage Test..................................... 6-3
6.5 Method of Checking the Inverter and
Converter Circuits............................................. 6-4
6.6
DC-Bus Capacitor Life Curve........................... 6-5
6.7 Output of Life Warning ..................................... 6-5
6.8
Methods of Measuring the Input/Output
Voltages, Current, and Power .......................... 6-6