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10. Verify that the UPS mode green light on the MBP goes on, indicating that the
11. Set the MBP's manual Bypass switch to the UPS position.
12. On the UPS, select Control > Go back normal to put the UPS into Online
13. Check that the UPS is in Online mode by checking its display panel. The load
Monitoring the UPS operating mode
The Lenovo UPS front panel indicates the UPS status through the UPS indicators.
See "Control panel" on page 7.
Operating modes: descriptions
Online mode
When the UPS is operating from utility power, the UPS is in Online mode: the
indicator illuminates solid. The UPS monitors and charges the battery packs as
needed and provides filtered power protection to your equipment. High Efficiency
and Energy Saving settings take the UPS out of online mode to minimize heat
contribution to the rack environment, but reduce the protection of your equipment.
See "User settings" on page 10.
Battery mode
When the UPS is operating without utility power, the alarm beeps once every ten
seconds and the
by the battery packs. When the utility power returns, the UPS goes to Online
mode.
If battery capacity becomes low while in Battery mode, the audible alarm beeps
once every 3 seconds. This warning is approximate, and the actual time to shut
down might vary significantly. Shut down all applications on the connected
equipment because automatic UPS shutdown is imminent. When utility power is
restored after the UPS shuts down, the UPS automatically restarts.
Bypass mode
In the event of a UPS overload or internal failure, the UPS powers your equipment
directly from utility power. Battery mode is not available and your equipment is
not protected; however, the utility power continues to be passively filtered by the
UPS. The
UPS output power is available on the MBP.
Important: Do not continue to the next step if the UPS mode"green light on
the MBP is still off.
The Bypass mode red light on the MBP goes off, indicating that the load is
now powered by the UPS.
mode.
is now protected by the UPS.
indicator illuminates solid. The necessary energy is provided
indicator illuminates.
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Chapter 5. Operation
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