Pylon Technologies Co., Ltd. Confidential Proprietary
18
4
Using, Maintenance and Troubleshooting
4.1
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.
4.1.1 The Alarm and Countermeasure Influence System Output
Please follow Table 4-1 processing if output of the fault appears such as
over-voltage, charge over-current, under-voltage protection, high-temp protection
and other abnormalities.
Table 4-1 Major Alarm and Protection
Statue
Alarm Category
Alarm
Indication
Processing
Charging
Cell Over-voltage
ALM Lighting
Stop charging and
find the cause
Over-current
ALM Lighting
Stop charging and
find the cause
high-temp
ALM Lighting
Stop charging
Discharging
Over-current
ALM Lighting
Stop charging and
find the cause
high-temp
ALM Lighting
Stop discharging
Low Total Voltage
Protection
ALM Lighting
Start charging
Cell Voltage
Protection
ALM Lighting
Start charging
4.1.2 The Alarm and Countermeasure do not Influence System Output
If it appears the low total voltage alarm or low single cell voltage, the battery
system also generates the corresponding alarm signal. Maintenance personnel
Extra 2000 Lithium Iron Phosphate Battery Backup Manual
