Dyness B4850, Руководство пользователя

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B4850 ESS Unit User Manual
21
Statue Alarm category
Alarm
indication
Processing
Cell voltage undervoltage
RED
Buzzer
start
Start charging
4.3 Analysis and treatment of common faults
Analysis and treatment of common faults in the Table 4-3:
Table 4-3 Analysis and treatment of common faults
No
.
Fault phenomenon Reason analysis Solution
1
The indicator does not
respond after the power
on
Total voltage
lower than 35V
Check the total voltage
2 No DC output
Battery data status
is abnormal.
Battery gets into
over-discharged
protection
Read the battery information
on the monitor.
3
The DC power supply
time is too short Battery capacity
become smaller Storage battery replacement
or add more modules
4
The battery can't be fully
charged to 100% Charging voltage is
too low Adjust charging voltage at
53.5V or 54V
5
The power cable sparks
once power on and ALM
light RED
Power connection
short-circuit Turn off the battery, check the
cause of the short circuit
6 Communication fault
The DIP setting of
the host is wrong/
the battery type of
the inverter is
wrong/
Communication
cable used
incorrectly/
communication
cable is incorrectly
connected at the
battery comm port
or the inverter
comm port/
The battery
firmware version
is not support the
inverter
Check these possible cause
one by one
If you need any technical help or have any question, please contact the seller in time.