29
Symptom
Possible cause
Remedy
No indication and alarm in the front
display panel
Sleeping mode
Press Reset to normal mode
No indication and alarm in the front
display panel even Reset still no
Battery voltage too low
Charge battery immediately
Red LED Flashing when Standby
Battery cell low voltage
Charge battery immediately
Red LED Flashing when charging
Alarm for protection when
charging
BMS show alarm, protect and
adjustment
Red LED Flashing when Discharging Battery too low and will
shutdown
Charge battery immediately
RED LED Lighting continuous
Battery wrong
Need to repair
7. Storage and Maintenance
7-1. Storage
Before storing, charge the battery at least 7 hours. Store the Battery covered and upright in a cool,
dry location. Recommend long-term storage temperature is 15°C -25°C . During storage, recharge
the battery in accordance with the following table:
7-2. Maintenance
The battery system operates with hazardous voltages. Repairs may be carried out onlyby
qualified maintenance personnel
.
Even after the unit is disconnected from the mains, components inside are still connected to the
battery cells which are potentially dangerous.
Before carrying out any kind of service and/or maintenance, disconnect the batteries andverify
that no current is present and no hazardous voltage exists in the terminals.
Only persons are adequately familiar with batteries and with the required precautionarymeasures
may replace batteries and supervise operations. Unauthorized persons must be kept well away from the
batteries
.
Verify that no voltage between the battery terminals and the ground is present before
Storage Temperature
Recharge Frequency
Charging Duration
0°C - 40°C
Every 3 months
1-2 hours