PX3TS Transfer Switch Quick Setup Guide 4QSG-PX3TS-0D-v3.1-E 255-80-0032-00 RoHSQS RuleTesting Indicator LampsPress the Lamp Test control button and visually verify that alltransfer switch indicator lamps turn on. See Control PushButtons (on page 5).QS RulePower Quality Indicator LampsInlet power quality is shown using a tricolor LED. Normal (green): Power quality (voltage and frequency) isgood. Warning (orange): Power quality is not optimal butacceptable. Critical (red): Power is not available or power quality is notacceptable.Note: See Power Quality Setup (on page 6) for how toconfigure voltage and frequency settings.QS RuleInlet Configuration Indicator LampsA green LED indicates which inlet is preferred. The default isInlet 1.The preferred inlet powers the outlets unless its power qualitygoes critical. The Manual Transfer button may change thepreferred inlet. See Control Push Buttons (on page 5).QS RuleActive Inlet Indicator LampsA green LED indicates which inlet is powering the outlets.Only one LED is on at a time.The Manual Transfer button transfers power to the other inlet.QS RuleAlarm Indicator LampsLamp MeaningManualDisabledThe front panel Manual Transfer button isdisabled. See Control Push Buttons (onpage 5).Phase Sync Inlets are out of phase.