7 Troubleshooting
Power Conversion System BCS-B-H Series (1000K-1500K)
User Manual
74
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Phenomenon
Possible reason
Solution
manufacturer in time.
BMS
prohibits
battery
discharging
BMS system sent no-discharge
signal.
After the PCS discharge completely,
maintain the BMS system, if the fault still
exists,
please
contact
the
battery
manufacturer in time.
BMS standby
BMS
system
sent
standby
signal.
After the PCS discharge completely,
maintain the BMS system, if the fault still
exists,
please
contact
the
battery
manufacturer in time.
BMS alarm
BMS system sent alarm signal.
After the PCS discharge completely,
maintain the BMS system, if the fault still
exists,
please
contact
the
battery
manufacturer in time.
Modbus
RTU1
remote
communication
abnormal
1.
The
wiring
of
remote
communication is not in
good connection.
2.
The address and baud rate of
PCS is not in accordance
with that of upper-computer
1.
Check
if
the
connection
of
communication
wire
is
in
good
connection and not reversed connected.
2.
Set the address and baud rate properly.
Modbus
RTU2
remote
communication
abnormal
1.
The
wiring
of
remote
communication is not in
good connection.
2.
The address and baud rate of
PCS is not in accordance
with that of upper-computer
1.
Check
if
the
connection
of
communication
wire
is
in
good
connection and not reversed connected.
2.
Set the address and baud rate properly.
Modbus
TCP
remote
communication
abnormal
1.
The
wiring
of
remote
communication is not in
good connection.
2.
The address and baud rate of
PCS is not in accordance
with that of upper-computer
1.
Check
if
the
connection
of
communication
wire
is
in
good
connection and not reversed connected.
2.
Set the address and baud rate properly.
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