Goodwe SDT Series User Manual page 63

User Manual V1.3-2024-01-25
No. Fault
18 Abnormal Ground.
19 L-PE Short Circuit
Anit Reverse
20
power Failure
Internal Comm
21
Loss
Cause
1. The PE cable is not
connected.
2. When ground the PV
string, the AC output
cables L and N of the
inverter are reversed.
The live wire connection
of the inverter output
terminal is abnormal
Abnormal load
connection
1. Chip has not be
powered on
2. Chip program version
error
Solutions
1. Please confirm if the PE cable of the
inverter is not connected properly.
2. Under the scenerio of PV string
grounding, please confirm whether
the inverter's AC output cables L and
Nare reversed.
1. Check the wiring of the grid side. If the
wiring is wrong, please correct it.
2. If the inverter continues to fail to
return to normal, please contact after-
sales service
1. If caused by an external fault, the
inverter will resume normal operation
automatically after the fault is cleared.
2. If the alarm occurs frequently or
affects the normal power generation,
please contact your dealer or after-
sales service center.
Disconnect the AC side switch and DC
side switch, and after 5 minutes, close the
AC side switch and DC side switch. If the
fault persists, please contact your dealer
or after-sales service center.
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09 Maintenance