Critical PowerModifications reserved Page 116/146GE_UPS_OPM_TLE_SCE_M60_M80_1GB_V020.docx User Manual TLE Series 600 & 800 CE S18.2.2 Complete shut-down of the TLE Series 600 & 800 as frequency converterNOTE !Follow this procedure only in case the UPS system and the Load must be completelypowered-down.Initial status:Load supplied from Inverter.1. Perform the command “System shutdown”.Perform the command “System shutdown” through thescreen: Commands 1 / System shutdown / SHUTDOWN Load is disconnected from UPS. Rectifier and Inverter are shut-down and all contactors areopened. LED 1 (Rectifier) and LED 2 (Inverter) are OFF. LED ALARM is lit.2. Open “Q1 - UPS Output switch” (Pos. O).3. Disconnect the Battery from the UPS by opening the “External Battery Protections”.NOTE !Before performing the next procedure (4) wait 5minutes for DC-Link Capacitors discharge.Use the MEASURES/Rectifier screen to ensurethat the DC-link1 and DC-link 2 voltage hasreached 10Vdc.Press “MUTE” key to reset Acoustical Alarm.LED ALARM remains lit.4. Disconnect the Mains from the input distribution.END OF PROCEDUREDANGER !It will take 5 minutes for the DC capacitors to discharge.Open only the front door, do not open any other part of the UPS.