APC 10-40KW 400V UPS manual Operating The External Service Bypass Switch, Display shows

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6.1.3 Operating The External Service Bypass Switch

Action
1.	Press	on the keyboard		Display shows
2.	Press	or	on the keyboard until	Bypass operation
				:NO
3.	Press	on the keyboard		Bypass operation
				:YES
4.	Press	on the keyboard		Lamp indication
				on Service Bypass Panel
5.	Check lamp indication on the Service Bypass Panel			The Green lamp (H003)
				above the bypass switch
				handle (Q003) lights

6.Turn the external bypass switch (Q003) to position ”1“

7.Turn the output switch (Q002) to position ”0“

8.Open the front door and press both the green ”ON“ and the red ”OFF“ keys simultaneously

The Green lamp (H002) above the output switch handle (Q002) lights

Only the lamp (H002) above the output switch handle (Q002) lights now

Display shows

** System OFF **

The acoustic alarm sounds for 30 sec.*

9.Turn the input switch to position ”0“

The red alarm LED below the display lights and the acoustic alarm sounds for 30 sec.

* The acoustic alarm can be reset by the key

990-4050

Installation Guide APC Silcon 10-40kW 400V UPS 57