UPS5000-E-(25 kVA-125 kVA)-FM
User Manual
5 Operations
Issue 06 (2019-12-13)
Copyright © Huawei Technologies Co., Ltd.
201
Figure 5-24
Logs
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5.7 Transferring to Maintenance Bypass Mode
Context
Strictly observe the following procedure to transfer the UPS to maintenance bypass mode.
Otherwise, loads may power off.
In maintenance bypass mode, the mains supplies power to the loads directly over the
maintenance bypass. If the mains is not normal, the loads may power off.
Procedure
Step 1
Manually transfer the UPS to bypass mode.
Step 2
Close the maintenance bypass switch. Then the UPS transfers to maintenance bypass mode.
The maintenance bypass switch in the figures below is for reference only. Close the maintenance bypass
switch according to site specifications.
The
Maint. breaker closed
alarm is displayed in the alarm list, as shown in