Dyness DL5.0C - Analysis and Treatment of Common Faults

DL5.0C User Manual
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27
Statue
Alarm category
Alarm indication
Processing
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
undervoltage
RED
Buzzer start
Start charging
Cell voltage
undervoltage
RED
Buzzer start
Start charging
Analysis and Treatment of Common Faults
Analysis and treatment of common faults in the Table 4-2:
Table 4-1 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 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
Check these possible
causes one by one