Goodwe ET Series User Manual page 54

09 Maintenance
No. Fault
1. The PE cable of
2. The L cable
19
Ground
20
power Failure
1. Frame format
2. Parity checking
3.
4. Hardware CRC
Internal Comm
21
Loss
5.
The sampling
22
abnormal
abnormal.
The sampling of
GFCI HCT Check
23 the GFCI HCT is
abnormal
abnormal.
Cause
not connected
well. 1.
is connected properly.
and N cable 2. Check whether the L cable and N cable
are connected
string is grounded.
output of the
PV string is
grounded.
1. If the exception is caused by an external
2.
PV station cannot work properly, contact
error
error
switch, then connect them 5 minutes later.
error
the problem persists.
control bit is
Transmit to the
unit that is not
allowed.
switch, then connect them 5 minutes later.
the problem persists.
switch, then connect them 5 minutes later.
the problem persists.
50
User Manual V1.0-2022-08-30
Solutions