LED_FAULT_UNDER_VOLTAGE
led->last_flag |= LED_FAULT_UNDER_VOLTAGE;
rfault |= LED_FAULT_UNDER_VOLTAGE;
LED_FAULT_UNDER_VOLTAGE;
rfault |= LED_FAULT_UNDER_VOLTAGE;
LED_FAULT_INPUT_VOLTAGE | LED_FAULT_UNDER_VOLTAGE;
*fault |= LED_FAULT_UNDER_VOLTAGE;
LED_FAULT_SHORT_CIRCUIT | LED_FAULT_UNDER_VOLTAGE |
LED_FAULT_UNDER_VOLTAGE | LED_FAULT_INPUT_VOLTAGE |