Powerbox F series User Manual
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BAT + / BAT- of the inverter is greater than 42V, at this time the battery has begun
to work normally.
4
After confirming that the battery output voltage and polarity are correct, turn on
the inverter, then close the circuit breaker switch.
5
Check whether the indicator light of the inverter and the battery connection (the
communication indicator and the battery access status indicator) is in normal
condition. If normal, the connection between the battery and the inverter is
completed. If there is an abnormity in the indicator light, please check the reason
or contact the local dealer with the inverter manual.
4.2 Alarm description and processing
When protection start or failure, the ALM indicator on the front panel will alarm, through
net management can query specific alarm class and take appropriate action.
4.2.1 Alarm and countermeasure influence system output
If there are any abnormalities affecting the output, such as battery cell in the battery
module occurs over-voltage protection or over-current protection during charge/discharge,
under-voltage protection, and temperature protection, in the system, please deal with
them according to Table 4-1.
Table 4-1 Main alarm and Protection
Statue
Alarm category
Alarm
indication
Processing
Charging
state
Cell over-voltage
RED light
flashing
Stop charging and release when
discharging.
Over-current when
charging
RED light
flashing
Reduce the charging current below
the rated value.
High temp protection
RED light
flashing
Stop charging and find out the
cause of the trouble.
Discharge
state
Over-current
protection when
discharge
RED light
flashing
Stop discharge and reduce
discharge current below rated
value.
High temp protection
when discharge
RED light
flashing
Stop discharging and find out the
cause of the trouble.
Total voltage
undervoltage
protection
RED light
flashing
Start charging.
Cell voltage
undervoltage
protection
RED light
flashing
Start charging.
4.2.2 Alarm and countermeasure without affecting the output of the
system
