Sungrow SG30CX User Manual page 89

User Manual
F F a a u u l l t t c c o o d d e e
532-547,
564-579
548-563,
580-595
F F a a u u l l t t n n a a m m e e
PV Reverse Connection
Alarm
PV Abnormal Alarm
9 Troubleshooting and Maintenance
C C o o r r r r e e c c t t i i v v e e m m e e a a s s u u r r e e s s
1. Check whether the corresponding PV in-
put side is of reverse polarity. If so, adjust
the polarity.
Contact Sungrow Customer Service if the
preceding causes are ruled out and the fault
persists.
*The code 532 to code 547 are correspond-
ing to string 1 to string 16 respectively.
*The code 564 to code 579 are correspond-
ing to string 17 to string 32 respectively.
Check whether the voltage and current of
the inverter is abnormal to determine the
cause of the alarm.
1. Check whether the corresponding mod-
ule 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.
3. Check if the DC fuse is damaged. If so,
replace the fuse.
4. Contact Sungrow Customer Service if the
preceding causes are ruled out and the fault
persists.
*The code 548 to code 563 are correspond-
ing to string 1 to string 16 respectively.
*The code 580 to code 595 are correspond-
ing to string 17 to string 32 respectively.
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