53
9
Troubleshooting and
Maintenance
9.1
Troubleshooting
9.1.1 Troubleshooting of LED Indicator
See “Tab. 2-1 Description of LED Indicator” for definition of LED’s states.
Type of fault
Troubleshooting
LED indicators and LCD
screen cannot be lit
1. Disconnect AC side circuit breaker.
2. Rotate the DC Switch to the “OFF” position.
3. Check the polarity of DC input.
“RUN” indicator goes
out
1. Disconnect AC side circuit breaker.
2. Rotate the DC Switch to the “OFF” position.
3. Check the correctness of electrical connection of inverter.
See “6 Electrical Connection”.
4. Check whether DC input voltage exceeds the inverter start
voltage of inverter.
5. If all above conditions are OK, please contact with
Sungrow.
“Fault” indicator is lit
1. A fault is not removed yet.
2. Perform troubleshooting in according to fault type in LCD
screen. See “9.1.2 Troubleshooting of Faults in LCD Screen”.
3. If it cannot be solved, please contact Sungrow.
Summary of Contents for SG10KTL
Page 2: ......
