25Table 4-2 LED indicatorLED name Colour DescriptionLine Green It indicates the utility is normalBattery Yellow It indicates the input is connected with battery, and theinput power is supplied from the battery.Bypass Yellow It indicates the UPS is in bypass mode, the load currentis directly supplied from the utility powerInverter Green It indicates that the inverter is OK and the load issupplied from the inverter.Note: After UPS power on, all LEDs will be lightened for 2 seconds, andthen turn to normal status. When UPS is turning on, 4 LEDs will belightened one by one until the UPS is turned on successfully.⊙:Utility is normal●: Lightened constantly★: Flashing every 4s◇: Depended on the fault status□: Depend on the original displayLED Line Battery Bypass InverterNo Output mode ⊙Bypass mode ● ●Line mode ● ●Battery mode ● ●Battery test mode ★ ●Fault mode □ ◇Warning □ □ □ □