Sungrow SG125HV-30, User Manual

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User Manual 8 Troubleshooting and Maintenance
69
Fault
code
Description Check method
564-571
String x reverse
connection alarm
1. Check whether the corresponding string is
of reverse polarity. If so, disconnect the DC
switch and adjust the polarity when the solar
radiation is low and the string current drops
below 0.5A.
2. If the fault is not caused by the foregoing
reasons and still exists, contact Sungrow
Service.
*The code 564 to code 571 are corresponding
to string 17 to string 24 respectively.
580-587
String x output
current anomaly
1. Check whether the corresponding module
is sheltered. If so, remove the shelter and
ensure module cleanness.
2. Check the module for abnormal aging.
3. If the fault is not caused by the foregoing
reasons and still exists, contact Sungrow
Service.
*The code 580 and 587 are corresponding to
string 17 and string 24 respectively.
8.2 Maintenance
8.2.1 Routine Maintenance
Item Method Period
System
clean
Check the temperature and dust of the
inverter. Clean the inverter enclosure if
necessary.
Check if the air inlet and outlet are
normal. Clean the air inlet and outlet, if
necessary.
Six months to a year
(depend on the dust
contents in air.)
Fans
Check whether there is fan warning using
APP.
Check whether there is any abnormal
noise when the fan is turning.
Clean or replace the fans if necessary
(see the following section). Once a year
SPD
Check whether there is SPD waring using
APP.
Replace the AC SPD and DC SPD
(contact
SUNGROW) whenever
necessary.
Every six months