Cautions For Maintenance And Inspection - Hitachi WJ Series User Manual

Chapter 16

16.1 Cautions for Maintenance and Inspection

● Risk of electric shock!
Electric
shock
 Before inspecting the inverter, be sure to turn off the power supply and wait
 (Confirm that the charge lamp on the inverter is turned off and the DC voltage
Do
 Entrust only a designated person for maintenance, inspection, and
 (Be sure to remove wristwatches and metal accessories, e.g., bracelets, before
Prohibited
 Do not perform withstand voltage test.
Prohibited
Electric
● Risk of electric shock, fire and injury!
shock
Fire
Injury
 Never modify the unit.
Prohibited
for 10 minutes or more.
between terminals [P/+] and [N/-] is 45 VDC or less.)
replacement of parts.
maintenance and inspection work. Be sure to use insulated tools for the
work.)
Maintenance and Inspection
DANGER
DANGER
16-1-1