Sungrow SG250HX-IN-20, User Manual

Page: 98 / 109

88
F Fa au ulltt c co od de e
D De essc crriip pttiio on n
C Ch he ec ckk m me etth ho od d
532-547
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.
*The code 532 to code 547 are
corresponding to string 1 to string 16
respectively.
548-563
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.
*The code 548 to code 563 are
corresponding to string 1 to string 16
respectively.
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.
*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.
*The code 580 and 587 are corresponding
to string 17 and string 24 respectively.
9 Troubleshooting and Maintenance User Manual