Sungrow SG8K-D - Troubleshooting by Code

8 Troubleshooting and Maintenance User Manual
56
Code
Description
Troubleshooting
010 Grid failure (Islanding)
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.
011
DC injection
over-current.
The DC current
injection of AC current
exceeds the upper
limit.
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.
012
Leakage current
over-current.
The leakage current
exceeds inverter
allowable upper limit.
1. Check the PV strings for ground fault.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.
014
10-
minute grid
over-voltage.
The average grid
voltage in
10 minutes
exceeds the
permissible range.
1. Check whether the inverter selected
country code is the country you are in.
2. Wait a moment for inverter recovery.
3. Check the voltage of the grid. If the grid
voltage exceeds the permissible range of
inverter protection parameters, ask utility
grid company for solution.
4. If the fault occurs repeatedly, contact
Sungrow Service Dept.
015
Grid over-voltage
The grid voltage
exceeds the protective
value, which is higher
than the protective
value of error 002.
(stage II)
1. Check the model of the AC cables.
2. Wait a moment for inverter recovery.
3. If the grid voltage exceeds the
permissible range, ask utility grid company
for solution.
4. If the fault occurs repeatedly, contact
Sungrow Service Dept.
016
The bus voltage or
power is high.
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.
019
Bus transient
over-voltage.
The transient bus
voltage exceeds
inverter allowable
upper limit.
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.
020
Bus over-voltage.
The bus voltage
exceeds inverter
allowable upper limit.
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.