Transferring From Maintenance Bypass Mode To Normal Mode - Huawei UPS5000-E-12 User Manual

UPS5000-E-(40 kVA-320 kVA)
User Manual
Figure 5-34 Maint. breaker closed alarm
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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 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 10 (2015-09-15)
After the UPS transfers to maintenance bypass mode, the Maint. breaker closed and Bypass mode
alarms are displayed on the LCD.
For the UPS5000-E-120 kVA/200 kVA, 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
For the UPS5000-E-320 kVA, the maintenance bypass switch points left horizontally
when it is turned on. To turn off the switch, face the cabinet and turn the handle
counterclockwise 90 degrees until it points to the ground.
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5 Operations
Figure 5-35.
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