Transferring To Maintenance Bypass Mode - Huawei UPS5000-E-FM Series User Manual

UPS5000-E-(25 kVA-125 kVA)-FM
User Manual
Figure 5-24 Logs
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5.7 Transferring to Maintenance Bypass Mode

Context
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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 Maint. breaker closed alarm is displayed in the alarm list, as shown in
Issue 06 (2019-12-13)
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.
The maintenance bypass switch in the figures below is for reference only. Close the maintenance bypass
switch according to site specifications.
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5 Operations
Figure 5-26.
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