Sungrow SG2K-S Manual De Usuario Rápido página 28

6 Troubleshooting
Code Description
The slave DSP detects
that the grid frequency
054
exceeds the protective
value.
The slave DSP detects
that
056
current
protective range.
Communication alarm
059 between master DSP
and slave DSP.
Alarm for no inverter
061
type setting.
070 Fans are defective
Warning
084 cable connection of the
Sungrow Meter.
Mismatched
085
version.
The AC output current
100 exceeds
limit.
Grid over-frequency.
The
exceeds the protective
101
value, which is higher
than
value of error 008.
Grid under-frequency.
The grid frequency is
below the protective
102
value, which is lower
than
value of error 009.
24
the leakage
exceeds the
for reverse
software
the upper
grid frequency
the protective
the protective
Troubleshooting
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.
1. Check whether there is a grounded fault
of the PV string.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept.
1. Wait 1 minute for inverter recovery.
2. If the fault persists, contact Sungrow
Service Dept.
Contact Sungrow Service Dept.
Stop the inverter and disconnect the AC &
DC cables. Check whether the fan duct has
been blocked. If not, replace fans.
1. Check whether
connections are correct.
2. If "Existing Inverter" is set to "ON" via
LCD menu, check and ensure that its rated
power is correctly set.
3. For Sungrow single-phase meter, check
whether the CT clamp of the 1-phase
sensor is correctly placed.
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. 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.
Quick User Manual
the power cable