Pylontech Extra 2000 - 4.2 Common Fault Analysis and Solutions

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should inspect equipment according to prompt information, and determine the fault
type and location, and take appropriate measures to ensure the system is in the
best working condition, not to affect the system output. Phenomenon and
countermeasures are shown in Table 4-2.
Table 4-2 Secondary Alarm
Category
Alarm Indication
Countermeasures
Low Total Voltage Alarm ALM Flashing Stop Discharging
Low Cell Voltage Alarm ALM Flashing Stop Discharging
4.2 Common Fault Analysis and Solutions
Common fault analysis and solutions shown in table 4-3:
Table 4-3 Common Faults and Solutions
Number Fault Symptom Reason Analysis Solution
1
DC power supply
time shorter
Battery capacity
reduced
Change storage
battery
2
Battery cannot
be fully charged
Low voltage in charging
Adjust charging
voltage in 54V〜56.5V
3
Fire sparkle
appeared when
power up, alarm
lamp lighting
Short circuit
Shutdown system,
check the cause and
exclusion
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