Goodwe SDT Series User Manual page 64

09 Maintenance
No. Fault
AC HCT Check
22
abnormal
GFCI HCT Check
23
abnormal
Relay Check
24
abnormal
Internal Fan
25
abnormal
External Fan
26
abnormal
27 Flash Fault
28 DC Arc Fault
29 AFCI Self-test Fault
Inv Module
30
Overtemperature
Cause
Abnormal sampling of
AC HCT
Abnormal sampling of
GFCI HCT
1. The relay is abnormal
or short-circuited.
2. The control circuit is
abnormal.
3. The AC cable
connection is
abnormal, like a virtual
connection or short
circuit.
1. The fan power supply
is abnormal.
2. Mechanical exception.
3. The fan is aging and
damaged.
Internal storage Flash
exception
1. The PV string
connection terminal
is not securely
connected.
2. The DC cable is
damaged.
Arc detection device is
abnormal
1. The inverter is
installed in a place
with poor ventilation.
2. The ambient
temperature exceeds
60℃.
3. A fault occurs in the
internal fan of the
inverter.
User Manual V1.3-2024-01-25
Solutions
Disconnect the AC output switch and
DC input switch, then connect them 5
minutes later. Contact the dealer or the
after-sales service if the problem persists.
Please check if the DC side is correctly
wored according to the guidances of the
user manual.
Disconnect the AC output switch and
DC input switch, then connect them 5
minutes later. Contact the dealer or the
after-sales service if the problem persists.
1. Check the ventilation and the ambient
temperature at the installation point.
2. If the ventilation is poor or the
ambient temperature is too high,
improve the ventilation and heat
dissipation.
3. Contact the dealer or after-sales
service if both the ventilation and the
ambient temperature are proper.
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