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### Low-voltage Alert

Switch Setting

Select ON to enable the Low-voltage Alert.

Important

1. Make sure the connection between the V-SEN port of PMU and X1 port of Controller Unit is correct; otherwise the low voltage protection will not work properly.
2. If the control mode is in Manual or ATTI.1, the two level protections will only have LED warning, no other protections.
3. Both protections have LED warning as default. The first level will blink yellow light continuously; the second level will blink red light continuously.