Sungrow SH3K6, Quick User Manual

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6 Troubleshooting
6.1 Troubleshooting of the Indicator
Refer to “ Tab. 3-2 State Descriptions of the Indicator “ for the definition of
indicator states.
Fault Type Troubleshooting
The indicator and LCD
screen cannot be lit.
1. Disconnect the AC circuit breaker.
2. Rotate the DC Switch to “OFF”.
3. Check the polarities of the DC inputs.
4. If all of the above are OK, please contact SUNGROW.
The indicator goes out
from green.
1. Disconnect the AC circuit breaker.
2. Rotate the DC Switch to “OFF”.
3. Check the electrical connection.
4. Check whether the DC input voltage exceeds the start
voltage of the inverter.
5. If all of the above are OK, please contact SUNGROW.
The indicator is lit red.
1. A fault is not resolved.
2. Perform troubleshooting according to the fault type
on the LCD screen.
3. If the fault persists, please contact SUNGROW.
6.2 Troubleshooting of the Errors
When an error occurs, the “Error” state will be shown on the main screen. Press
to view all the error information.

For the battery error codes, if all the conditions are OK but the error still
occurs, contact the distributor or the battery manufacturer.

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), or product name, serial number of the inverter, fault
code/name, and a brief description of the problem.