Hitachi SJ300 User Manual
Page 3
Table of contents
1. Investigation of the inverter
1.1 Specification label(Model name , Manufacturing number ; MFG)
1.1.1 Model name
1-1
1.1.2 MFG number
1-1
1.2 Inverter specification
1.2.1 SJ300
1-2
1.2.2 L300P
1-10
2. Trouble shooting
2.1 INV trip contents , remedy , advice
2-1
2.2 Option error
2.2.1 Feed-back board (SJ-FB)
2-3
2.2.2 Digital-input option board (SJ-DG)
2-3
2.2.3 Device-Net option board (SJ-DN)
2-3
2.3 Check of the trip monitor contents
2-4
2.4 Confirmation of the warning monitor contents
2-5
2.5 Return to an initialization setup (Factory-shipment state)
2-6
3. Debug mode
3.1 Monitor mode
3-1
3.2 Function mode
3-2
3.3 Parameter settings for inverter
3-3
4. The check of control power supply voltage and a control signal
4.1 Control power supply voltage
4-1
4.2 Control signal
4-1
5. Maintenance and Inspection
5.1 Maintenance and Inspection
5.1.1 Daily inspection
5-1
5.1.2 Cleaning
5-1
5.1.3 Periodical inspection
5-1
5.2 Daily and annual maintenance
5-2
5.3 Megger test
5-3
5.4 Withstand voltage test
5-3
5.5 How to check inverter , converter , BR and Thyristor portion
5-4
5.6 Parts replacement
5-5
5.7Unit replacement
5-8
Appendix
Circuit Diagram
Internal block diagram
Structure figure