Sungrow SG2K5-S User Manual

71
9 Troubleshooting and
Maintenance
9.1 Troubleshooting
9.1.1 LED Indicator
See “Tab. 6-2 Indicator Status Description” for the definition.
Fault Type
Troubleshooting
LED indicator
cannot be lit.
1. Disconnect the AC circuit breaker.
2. Rotate the DC switch to “OFF”.
3. Check the polarity of DC input.
Green indicator
goes out.
1. Disconnect the AC circuit breaker.
2. Rotate the DC switch to “OFF”.
3. Check the inverter electrical connection. Refer to “5
Electrical Connection”.
4. Check whether the voltage of PV input exceeds the
inverter start-up voltage.
5. If all the above conditions are OK, please contact
SUNGROW.
9.1.2 Errors on the App or LCD Screen
If the communication module is equipped, an error icon will be shown in the App
once a fault occurs. For details, see the respective manual. At the same time,
the “Error” state will be shown on the main screen of the inverter.
Code
Description
Troubleshooting
002
Grid over-voltage.
The grid voltage
exceeds the protective
value. (stage I)
1. Check the voltage of the grid.
2. If the grid voltage exceeds the
permissible range of inverter protection
parameters, ask utility grid company for
solution.
3. If the grid voltage is within the permissible
range, contact SUNGROW.
003
Transient over-voltage.
The grid transient
voltage exceeds
inverter allowable
upper limit.
1. This is a short-term fault due to grid
condition. Wait a moment for inverter
recovery.
2. If the fault persists, please contact
SUNGROW.

Sungrow SG2K5-S Specifications

General

Brand	Sungrow
Model	SG2K5-S
Category	Inverter
Language	English