-56-Appendix 2 Light reference tableIndicatorNO Working condition BypassLEDLineLEDInverterLEDBatteryLED Fault LED Buzzer1 Standby ModeNormalOneflashingevery 8 secOne beepevery 8 secFaultOneflashingevery 4 secOne beepevery 4 secOverloadOneflashingevery 1 secOne beepevery 1 sec2 Bypass ModeNormal ●Oneflashingevery 2minOne beepevery 2minFault ●Oneflashingevery 4 secOne beepevery 4 secBypass phase error orbypass loss ●Oneflashingevery 2 secOne beepevery 2 secOverload ●Oneflashingevery 1 secOne beepevery 1 sec3 Line ModeNormal ● ● NoneFault ● ●Oneflashingevery 4 secOne beepevery 4 secOverload ● ●Oneflashingevery 1 secOne beepevery 1 sec4 Battery ModeNormal ● ●Oneflashingevery 4 secOne beepevery 4 secLow battery voltage ● ★Oneflashingevery 1 secOne beepevery 1 sec