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To prevent personal injury, please use a multi-meter to measure the voltage at input terminal if case
maintenance or opening is conducted. After ensuring that there is no mains supply, relevant operation can
be conducted!
After about 15 minutes, the upper cover plate can be opened after DC BUS bar capacitance fully
discharges (refer to warning label on module case surface).
9 Troubleshooting
9.1 Safety during Troubleshooting
Danger of electric shock due to high voltage on the product
There may be high voltages on the product under fault conditions. Touching real-time components can lead
to danger or death
Serious injury due to electric shock.
Observe all safety information when operating the product.
Wear appropriate personal protective equipment for all work on the product.
If you are unable to resolve the interference with this document, please contact the manufacture.
9.2 Export fault record
Insert a USB flash disk into the USB port in the back of the touch screen.
When need to send the logs to the manufacture to analyze.
1. Select “User”, Log into the control interface on touch screen with password.
2. Select “Ctrl Mode” > “Manual Operate”
3. Select “logs” > “Export Logs”>”Download All Logs”
9.3 Faults caused by improper parameter settings
Table below shows the faults that caused by improper parameter setting.
User could reset the parameter under the instruction in Appendix and then the faults can be automatically
solved.
Alarm classification:
Fault: shutdown.
Warning: alarm but not shut down;
Alarm Clearance method:
Auto: After the cause of the alarm disappears, the alarm is automatically cleared.
