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User Manual
Fault Code
548-563, 580-
595
37
43
Fault Name
Corrective Measures
Check whether the voltage and current of the in-
verter is abnormal to determine the cause of the
alarm.
1. Check whether the corresponding module is
sheltered. If so, remove the shelter and ensure
module cleanness.
2. Check whether the battery board wiring is
loose, if so, make it reliably connected.
PV Abnormal
3. Check if the DC fuse is damaged. If so, replace
Alarm
the fuse.
4. Contact Sungrow Customer Service if the pre-
ceding causes are ruled out and the alarm
persists.
*The code 548 to code 563 are corresponding to
string 1 to string 16 respectively.
*The code 580 to code 595 are corresponding to
string 17 to string 32 respectively.
Generally, the inverter will resume operation
when the internal or module temperature returns
to normal. If the fault persists:
1. Check whether the ambient temperature of the
inverter is too high;
2. Check whether the inverter is in a well-venti-
Excessively High
lated place;
Ambient
3. Check whether the inverter is exposed to di-
Temperature
rect sunlight. Shield it if so;
4. Check whether the fan is running properly. Re-
place the fan if not;
5. Contact Sungrow Power Customer Service if
the fault is due to other causes and the fault
persists.
Excessively Low
Stop and disconnect the inverter. Restart the in-
Ambient
verter when the ambient temperature rises within
Temperature
the operation temperature range.
9 Troubleshooting and Maintenance
99
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