Transferring From Maintenance Bypass Mode To Normal Mode - Huawei UPS5000-S Series User Manual

UPS5000-S-(35 kVA-210 kVA)
User Manual (Singapore, 35 kVA Power Modules)
Figure 5-23 Turning on the maintenance bypass switch
After the UPS transfers to maintenance bypass mode, the Maint. breaker closed and Bypass
mode alarms are displayed on the LCD.
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5.8 Transferring from Maintenance Bypass Mode to
Normal Mode
Context
Before transferring 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 by rotating the handle counterclockwise 90 degrees
so that the handle points downwards.
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.
Step 2 Start UPS inverters.
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Issue 02 (2020-01-10)
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