Routine Maintenance - Goodwe HT Series User Manual

09 Maintenance
No. Fault
6 Relay Fail
BUS-start
7
Fail
8 OVGRFault
Pv Reverse
9
Fault
Night BUS
10
Fault
11 CPLD Error
Cause
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 output
power of the PV
string is too low.
2. The control
circuit is
abnormal.
1. The output
voltage value of
the PV string is
lower than the
minimum DC
input voltage
value of the
inverter.
2. The control
circuit is
abnormal.
The PV string
is connected
reversely.
1. Utility grid power
fails.
2. The AC cable is
disconnected, or
the AC breaker is
off.
1. Temporary
abnormality
is caused by
environmental
factors.
2. Internal
components of
the inverter are
damaged.
User Manual V1.1-2022-07-20
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.
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.
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.
Check whether the PVstrings is connected
reversely.
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.
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.
42