Sungrow SG250HX-IN-20, Руководство пользователя

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87
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
105
Protection self-check
failure on grid side
Restart the inverter or clear the fault through
the App.
If the fault still exists, contact SUNGROW.
106
Grounding cable fault
1. Check whether the AC cable is correctly
connected.
2. Check whether the insulation between
the ground cable and the live wire is normal.
3. If the fault is not caused by the foregoing
reasons and still exists, contact SUNGROW.
116-117
Device anomaly
Wait for the inverter to return to normal.
Disconnect the AC and DC switches, and
reconnect the AC and DC switches 15
minutes later to restart the inverter.
If the fault still exists, contact SUNGROW.
220~227 PVx abnormal
1. Check if the xth PV string needs to be
connected.
If not, ignore the alarm; and
If so, check the connection status and make
sure it is connected reliably.
2. Check if the xth DC fuse is damaged. If so,
replace the fuse.
3.If the fault is not caused by the foregoing
reasons and still exists, contact SUNGROW.
*The code 220 to code 227 are
corresponding to PV 5 to PV 12 respectively.
448~471
String x reverse
connection fault
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 448 to code 471 are
corresponding to string 1 to string 24
respectively.
User Manual 9 Troubleshooting and Maintenance