Sungrow SG3KTL-EC User Manual page 77

User Manual
Code of
Specification
fault
Open circuit voltage of
the PV array is too high,
307 leading the input power
exceeds the permissible
range.
Accessory processor fault.
308
Redundant fault detected.
Voltage
309-318 sampling fault before grid
connection.
Leakage
320
self-check fault.
401-409 Permanent faults.
Inverter
501-502
communication failure.
Temperature
503-508
warnings.
The
configuration exceeds the
510
optimum operating range
of the inverter.
Open circuit warning of
511
the temperature sensor.
512 Fan low-speed warning.
513 Fan blocking warning.
Communication
514 between the meter and
the LCD.
Boost
515
warning.
and current
current CT
internal
sensor
PV panel
failure
short circuit
9 Troubleshooting and Maintenance
Troubleshooting
3. Wait until the inverter reverts to normal;
4. Contact SUNGROW if the fault reoccurs.
1. Check whether the configuration of PV
array exceeds the permissible range of the
inverter.
2. Wait a moment for inverter recovery.
3. Contact SUNGROW if the fault reoccurs.
1. Wait a moment for inverter recovery.
2. Contact SUNGROW if the fault reoccurs.
1. Wait a moment for inverter recovery.
2. Contact SUNGROW if the fault reoccurs.
1. Wait a moment for inverter recovery.
2. Contact SUNGROW if the fault reoccurs.
1. If there are no other problems and the
inverter is required to keep operating,
restart the inverter immediately.
2. Contact SUNGROW if the fault reoccurs.
Contact SUNGROW if the fault reoccurs.
Contact SUNGROW if the fault reoccurs.
1. Check whether the configuration of PV
array exceeds the permissible range of the
inverter.
2. Contact SUNGROW if the fault reoccurs.
1. Wait a moment for inverter recovery.
2. Contact SUNGROW if the fault reoccurs.
1. Check the functionality of the fans;
2. Clean the air inlet and outlet;
3. Clean air grills of outlet.
4. If the fault still exists, please contact
SUNGROW.
1. Inverter can be connected to the grid
normally.
2. Contact SUNGROW if the fault reoccurs.
Please contact SUNGROW Service Dept..
67