HP R12000 XR, Руководство пользователя

Страница: 77 / 126

UPS operations 77
Battery mode
When another power source is unavailable, the UPS automatically operates on battery power in Battery
mode:
•
Power is available at the UPS receptacles for a minimum of 60 seconds per battery pack.
•
The UPS automatically transfers back to AC mode (on page 76 ) when that input is available again.
To turn the UPS completely off from Battery mode, press the Off button for 3 seconds.
Bypass mode
The UPS automatically enters Bypass mode when one of the following conditions occurs:
•
Extended overload
•
Over temperature
•
Output short
•
Hardware failure
In Bypass mode, utility power continues to be passively filtered by the UPS. To troubleshoot operating
problems or conditions that might transfer the UPS into Bypass mode, see "Troubleshooting (on page 89 )."
To transfer from Bypass mode to AC mode (on page 76 ) after any operating problems are resolved, press the
On button for 3 seconds.