Sungrow SG125HX, User Manual

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9.2 Maintenance
9.2.1 Maintenance Notices
Risk of inverter damage or personal injury due to incorrect service!
•
Always keep in mind that the inverter is powered by dual sources: PV strings
and utility grid.
Before any service work, observe the following procedure.
•
Disconnect the AC circuit breaker and then set the DC load-break switch of
the inverter to OFF;
•
Wait at least 5 minutes for inner capacitors to discharge completely;
•
Verify that there is no voltage or current before pulling any connector.
Keep non-related persons away!
A temporary warning sign or barrier must be posted to keep non-related
persons away while performing electrical connection and service work.
Restart the inverter only after removing the fault that impairs safety
performance.
As the inverter contains no component parts that can be maintained, never
arbitrarily replace any internal components.
For any maintenance need, please contact SUNGROW. Otherwise, SUNGROW
shall not be held liable for any damage caused.
Servicing of the device in accordance with the manual should never be
undertaken in the absence of proper tools, test equipments or the latest
revision of the manual which has been clearly and thoroughly understood.
User Manual 9 Troubleshooting and Maintenance