Goodwe UT Series - Page 52

48
09 Maintenance
For Re-
view
User Manual V1.0-2023-03-20
No. Fault Cause Solutions
35 PV HCT Fail
1. Temporary
abnormality caused by
environmental factors.
2. Internal components
of the inverter are
damaged.
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.
36 PV Over Curr
1. Temporary
abnormality caused by
environmental factors.
2. Internal components
of the inverter are
damaged.
37
BUS
Unbalance
1. The sampling
circuit of the relay is
abnormal.
2. Abnormal hardwares
38 DC Bus High
1. The PV voltage is too
high.
2. The sampling of the
inverter BUS voltage is
abnormal.
39
PV
Continuous
Hardware
Overcurrent
1. The PV module
conguration is not
proper.
2. The hardware is
damaged.