Contents
Main
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1. Investigation of the inverter
1.1 Specification label (Model name, Manufacturing number ; MFG)
94 A T12345 9 0001
1.1.1 Model name
1.1.2 MFG number
1.2 Inverter specification
1.2.1 SJ300
1- 3
1- 4
1- 5
1- 6
1- 7
(Note) < > indicate the setting range of 75 to 150kW
The others
1- 8
(Note) < > indicate the setting range of 75 to 150kW
The others
1- 9
(Note 1) P044-P049 are displayed on a 0.4-55kW model.
Option
User selection
1 -10
1.2.2 L300P
1- 11
1- 12
1- 13
1- 14
(Note1)P044-P049 are displayed on a 0.4-75kW model.
1- 15
2- 1
2. TROUBLE SHOOTING
CT offset
EEPROM (contradiction)
Trip contents Digital
2.1 Inverter trip contents, remedy, advice
2- 2
-
2- 3
2.2 Option error 2.2.1 Feed-back board (SJ-FB)
2.2.2 Digital-input option board (SJ-DG)
2.2.3 Device- Net option board (SJ-DN)
The error display at the time of device network option board (SJ-DN) connection
ERR1
2.3 Check of the trip monitor contents
2.4 Check of the warning monitor contents
2.5 Return to an initialization setup (Factory-shipment state)
3- 1
3.Debug Mode
3.1 Monitor mode
3- 2
3.2 Function mode
Model Display -LF/LFR -> 200 -LFU -> 230
Model Display -HF/HFR -> 400 -HFE -> 400 -HFU -> 460
3.3 A setup of an inverter
3.3.1 Setting procedure
3.3.2 Initial cofiguration completion check procedure
3- 4
Table1.The correspondence table by the setting code model of SJ300
Table2.The correspondence table by the setting code model of L300P
(Use area)b085
Table3.Use area code Local selection code C195
(Model selection) SJ300 00 L300P 01
4. The check of control power supply voltage and a control signal
4.1 Control power supply
4.2 Control signal
5. Maintenance and Inspection 5.1 Maintenance and Inspection
5.1.1 Daily inspection
5.1.2 Cleaning
5.1.3 Periodical inspection
5- 2
5.2 Daily and annual maintenance
5- 3
5.3 Megger test
5.4 Withstand voltage test
5- 4
5.5 How to check inverter & converter portion
(Preparation)
(How to check)
5.6 Parts replacement
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5.7 Unit replacement
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SJ300-150 - 220LF , L300P-185 - 300LFR Circuit Diagram
SJ300-300LF, L300P-370LFR Circuit Diagram
SJ300-370-450LF, L300P-450-550LFR Circuit Diagram
Logic Board
SJ300-550LF,L300P-750LFR Circuit Diagram
DM Board
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SJ300-150 - 220HF , L300P-185 - 300HFR Circuit Diagram
SJ300-300HF , L300P-370HFR Circuit Diagram
SJ300-370- 550HF,L300P-450-750HFR Circuit Diagram
DM Board
SJ300-750-1320HF , L300P-900-1320HFR Circuit Diagram
SJ300-370- 550HF,L300P-450-750HFR Circuit Diagram