Sungrow SG2K-S Manual De Usuario Rápido página 25

Quick User Manual
Code Description
Transient over-voltage.
The grid
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 the
value of error 004.
AC over-current.
The AC output current
006
exceeds
allowable upper limit.
Transient
007
overcurrent.
Grid over-frequency.
The grid
008
exceeds the protective
value.
Grid under-frequency.
The grid frequency is
009
below the protective
value.
010 Islanding
DC
over-current.
The DC
011
injection of AC current
exceeds
limit.
Troubleshooting
1. This is a short-term fault due to grid
condition. Wait a moment for inverter
transient
recovery.
2. If the fault persists, please contact
Sungrow Service Dept.
1. Check the grid voltage.
2. If
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
protective
Sungrow Service Dept.
1. The inverter will resume if the output
current falls below the protection value.
inverter 2. If the fault persists, please contact
Sungrow Service Dept.
1. The inverter will self-recover after several
AC seconds.
2. If the fault persists, please contact
Sungrow Service Dept.
1. Check the grid frequency.
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.
1. Check whether AC circuit breaker is
triggered.
2. Check whether AC cables are all firmly
connected.
3. Check whether grid is not in service.
4. If all conditions are OK and this fault still
occurs in the LCD screen, contact Sungrow
Service Dept.
injection
1. Wait a moment for inverter recovery.
current
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.
the upper
the grid voltage
6 Troubleshooting
exceeds the
21