Fault Repair; Routine Maintenance - Sungrow SG2KTL-S User Manual

User Manual
Fault
Description
Code
The bus voltage is too
201
low.
202 PV current overcurrent
AC
205
abnormal
307 DC power is too high

9.2 Fault Repair

If the inverter can not work normally, you can contact the service provider for
troubleshooting.
Visit http://www.sungrowservice.com to fill in and submit the relevant information
(such as " Inverter Information", "Customer Information / Service Address",
"Attachments" and so on).

9.3 Routine Maintenance

Items Methods
Check the temperature and dust of the inverter.
Clean the inverter enclosure.
System Check the humidity and dust of the environment.
clean Meanwhile check whether the filter function of
the air inlet is ok. Clean the air inlet and outlet,
when necessary.
output relay
9 Troubleshooting and Maintenance
Troubleshooting
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept..
1. Wait for inverter recovery after DC current is
reduced.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept..
1. Wait a moment for inverter recovery.
2. If the fault occurs repeatedly, contact
Sungrow Service Dept..
Check whether the configuration of PV is in the
range indicated in the specification. If the fault
occurs repeatedly, contact Sungrow Service
Dept..
Period
Six months to a year
(it depends on the
dust contents in air.)
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