Dyness B51100 - Alarm Handling and Fault Resolution; Alarm Description and Processing; Common Fault Analysis and Treatment

B51100 User Manual
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high-temp protection and other abnormalities which affects the output, please deal with it
according to Table 4-1.
Table 4-1 Main alarm and Protection
Statue
Alarm category
Alarm indication
Processing
Charge state
Over-current
RED
Buzzer start
Stop charging and find out
the cause of the trouble
High temp
RED
Stop charging
Discharge
state
Over-current
RED
Buzzer start
Stop discharging and find
out the cause of the trouble
High temp
RED
Stop discharging and find
out the cause of the trouble
Total voltage
under voltage
RED
Buzzer start
Start charging
Cell voltage
under voltage
RED
Buzzer start
Start charging
4.3 Analysis and treatment of common faults
Analysis and treatment of common faults in the Table 4-2:
Table 4-2 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 39V
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
56.5V or 57V
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/The communication
cable is incorrectly connected at
the battery communication port
or the inverter communication
port/The battery firmware
version is too low to support the
inverter
Check these possible
causes one by one
If you need any technical help or have any question, please contact the dealer in time.