Hitachi SJ700-2 Series, Service Manual

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Table of contents
Chapter 1 Investigation of the inverter
1.1 Spesification label(Model name,manufacturing number:MFG) ················································1 - 1
1.1.1 Model name, ················································································································1 - 1
1.1.2 MFG number················································································································1 - 1
1.2 Precautions for Data Setting·····································································································1 - 2
1.2.1 Monitor Mode···············································································································1 - 2
1.2.2 Function Mode·············································································································1 - 3
1.2.3 Extended Function Mode ····························································································1 - 4
1.3 Code display system and key operations ·················································································1 - 20
1.3.1 Example of operation in basic display mode(“b037”=”04”[factory setting])·················1 - 21
1.3.2 Example of operation in full display mode(“b037”=”00”[factory setting])·····················1 - 23
1.3.3 Code/data display and key operator in extended function mode U ····························1 - 24
Chapter 2 Troubleshooting
2.1 Inverter trip contents,remedy,advise·························································································2 - 1
2.2 Option board error codes··········································································································2 - 5
2.2.1 Error indications by protective functions with the feedback option board (SJ-FB) mounted
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2.2.2 Error indications by protective functions with the digital option board (SJ-DG) mounted
·································································································································2 - 6
2.2.3 Error indications by protective functions with the DeviceNet option board (SJ-DN) mounted
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2.2.4 Error indications by protective functions with the easy sequence function used········2 - 8
2.3 Trip conditions monitoring ········································································································2 - 9
2.4 Warning Codes·························································································································2 -10
2.5
Initialization setting
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Chapter 3 Debug Mode
3.1 Monitor Modes ··························································································································3 - 1
3.2 Function Modes ························································································································3 - 2
3.3 How To Reference the Data Area (d105) Corresponding to Trip History··································3 - 2
3.4 Inverter Setting ·························································································································3 - 3
3.4.1 Setting procedure ········································································································3 - 3
3.4.2 Confirming the completion of initialization···································································3 - 4
Chapter 4 The check of control power supply voltage and a control signal
4.1 Control power supply ················································································································4 - 1
4.2 Control signal····························································································································4 - 1
Chapter 5 Maintenance and Inspection
5.1 Precautions for Maintenance and Inspection ···········································································5 - 1
5.1.1 Daily inspection············································································································5 - 1
5.1.2 Cleaning·······················································································································5 - 1
5.1.3 Periodic inspection·······································································································5 - 1
5.2 Daily and Periodic Inspections·································································································5 - 2
5.3 Ground Resistance Test with a Megger ···················································································5 - 3
5.4 Withstand Voltage Test·············································································································5 - 3
5.5 Method of Checking the Inverter and Converter Circuits·························································5 - 4
5.6 Replacing Parts························································································································5 - 5
5.7 Inverter Replacement···············································································································5 - 8