g GEOPM_SGS_USM_10K_40K_0US_V010.doc 52/88 Operating Manual SG Series 10, 20, 30 & 40 kVA7.2.4 Restore to normal operation after EPO (Emergency Power Off)UPS panel after activation ofEPO (Emergency Power Off)with Utility not available, i.e.complete shutdown of the UPS.In this case wait until Utility isagain available, then proceed torestart the UPS as describedbelow. Points 1 through 3.UPS panel after activation of EPO(Emergency Power Off) with Utilityavailable.• All Contacts are open;• Rectifier, Inverter and Static-Switchshutdown.1. Reset the EPO (Emergency PowerOff) button.• Press mute, to reset alarm andbuzzer.2. Press “inverter off” ( O ) key.• Rectifier starts with blinking LED.• At the end of Soft-start the LEDremains lit.• The LCD screen shows: “LOAD OFF”.3. Press “inverter on” ( I ) key.• Inverter starts with blinking LED.• At the end of Soft-start the LEDremains lit.• UPS output LED and LCD screenindicate both:“LOAD ON INVERTER”.End of procedure
