Troubleshooting; Charger Trips Using Cc & Cv; Terminal Voltage Absent Or Low - Carbest 81410 User Instruction

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TROUBLESHOOTING

The LiFePO4 battery module is an extremely reliable battery module that pro-
vides greater useful life than comparable 12 V lead-acid batteries� Despite the
high reliability, you may encounter situations where the battery module does
not operate as expected� These situations are typically the result of misuse,
abuse or a non-optimal operating or storage environment� This chapter details
potential issues you may encounter with and the appropriate troubleshooting
procedures�
CHARGER TRIPS USING CC & CV
Problem
chargers trips when charging the battery module� This is due to the low impe-
dance of the module creating a current inrush�
Solution
Reset the charger and try again�

TERMINAL VOLTAGE ABSENT OR LOW

Problem
Using a multi-meter to check terminal voltage shows the terminal voltage is
low� Possible causes for this problem are:
• The voltage of a cell within the module dropped below 2�3 V, causing the
microprocessor to enable under-voltage protection�
• The module overheated, causing the microprocessor to enable over-tempera-
ture protection�
Solution
To resolve situations where terminal voltage is absent or low:
1� Allow the battery to cool and then recheck terminal voltage�
2� Connect the battery to a charger to wake the battery and recover terminal volta-
ge� Depending on the module's voltage and state of balance it may take up to
48 hours to completely charge and balance the module�
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