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XW Series Inverter Charger - F47 DC under-voltage

Issue:
 

DC under-voltage shutdown (immediate) occurs if DC voltage is below 16 VDC (24 V system) or 32 VDC (48 V system). 


Environment:

XW Series Inverter Charger

Resolution:
 

Check for the correct battery voltage at the inverter's DC input terminals. Check for an external DC load on the batteries. Check condition of batteries and recharge if possible.


Cause:

The fault clears and the inverter restarts when DC voltage reaches VLBCO+2 V (24 V system) and VLBCO+4 V (48 V system).
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