Troubleshooting And Maintenance; Troubleshooting; Led Indicator; Errors On The App Or Lcd Screen - Sungrow SG2K5-S User Manual

8 Troubleshooting and
Maintenance

8.1 Troubleshooting

8.1.1 LED Indicator

See "Tab. 6-2 Indicator Status Description" for the definition.
Fault Type
LED indicator
cannot be lit.
Green indicator
goes out.

8.1.2 Errors on the App or LCD Screen

If an error occurs, the "Error" state will be shown on the main screen. We need
the following information to provide you with the best assistance:
 inverter type (e.g. string, central, grid-connected, hybrid, transformerless,
single phase, triple phase, single MPPT, multiple MPPTs),
 product name,
 serial number of the inverter,
 error code / name, and
 a brief description of the problem.
54
Troubleshooting
1. Disconnect the AC circuit breaker.
2. Rotate the optional DC switch to "OFF".
3. Check the polarity of DC input.
1. Disconnect the AC circuit breaker.
2. Rotate the optional DC switch to "OFF".
3. Check the inverter electrical connection. Refer to "5
Electrical Connection".
4. Check whether the voltage of DC input exceeds the
inverter start-up voltage.
5. If all the above conditions are OK, please contact
SUNGROW.