Sungrow SG2K-S User Manual page 64

8 Troubleshooting and Maintenance
Code Description
Grid over-voltage.
The
002
exceeds the protective
value.
Transient over-voltage.
The
003
voltage exceeds the
protective value.
Grid under-voltage.
The grid voltage is
004
below the protective
value.
Grid under-voltage.
The grid voltage is
below the protective
005
value, which is lower
than
value of error 004.
AC over-current.
The AC output current
006
exceeds
allowable upper limit.
Transient
007
overcurrent.
Grid over-frequency.
The
008
exceeds the protective
value.
Grid under-frequency.
The grid frequency is
009
below the protective
value.
56
grid voltage
grid transient
the protective
inverter
AC
grid frequency
Troubleshooting
1. Check the voltage of the grid.
2. If the grid
permissible range of inverter protection
parameters, ask utility grid company for
solution.
3. If the grid voltage is within the permissible
range, contact Sungrow Service Dept.
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 Service Dept.
1. Check the grid voltage.
2. If the grid
permissible range of inverter protection
parameters, ask utility grid company for
solution.
3. If the grid voltage is within the permissible
range, contact Sungrow Service Dept.
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 Service Dept.
1. The inverter will resume if the output
current falls below the protection value.
2. If the fault persists, please contact
Sungrow Service Dept.
1. The inverter will self-recover after several
seconds.
2. If the fault persists, please contact
Sungrow Service Dept.
1. Check the grid frequency.
2. If the grid frequency exceeds the
permissible range of inverter protection
parameters, ask utility grid company for
solution.
3. If the grid frequency is within the
permissible range, contact Sungrow Service
Dept.
User Manual
voltage exceeds
voltage exceeds
the
the