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
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
Extra2000LithiumIronPhosphateBatteryBackupManual
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