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UPS5000-E-(25 kVA-75 kVA)-BF
User Manual
Figure 5-26 Maint. breaker closed alarm
----End
5.8 Transferring from Maintenance Bypass Mode to
Normal Mode
Context
Before you transfer the UPS from maintenance bypass mode to normal mode, ensure that the
bypass input and output are normal.
Procedure
Step 1 Turn off the maintenance bypass switch.
The maintenance bypass switch points to the ground when it is turned on. To turn off the
switch, face the cabinet and turn the handle counterclockwise 90 degrees until it points right
horizontally, as shown in
The Maint. Breaker closed alarm disappears from the alarm list. Check whether the UPS
works in bypass mode by viewing the system running status diagram on the LCD or WebUI.
Issue 07 (2019-12-13)
After the UPS transfers to maintenance bypass mode, the Maint. breaker closed and Bypass mode
alarms are displayed on the LCD.
Figure
Copyright © Huawei Technologies Co., Ltd.
5-27.
5 Operations
186
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