AEG 80 / 120 kVA Operating Instructions Manual page 52

2. Switch off "Q1" and "Q4" of the UPS that you want to shut down.
3. Switch off "Q2" of the UPS that you want to shut down.
4. When all the power modules complete the discharging procedures, the LCD screen
will be off.
5. Switch off the battery circuit breaker of the external battery cabinet.
5-5