IBM TotalStorage SAN Volume Controller, Installation Manual

Page: 51 / 123

Overload indicator
The overload indicator beeps when the capacity of the uninterruptible power supply
(UPS) 5115 is exceeded.
If the overload indicator is on, go to MAP 5200: Uninterruptible Power Supply 5115
to resolve the problem.
Related reference
“Controls and indicators for the uninterruptible power supply 5115” on page 19
All controls for the uninterruptible power supply 5115 are located on the front
panel assembly.
On-battery indicator
The on-battery indicator glows yellow when the uninterruptible power supply (UPS)
5115 is powered by the battery. This indicates that the main power source has
failed.
If the on-battery indicator is on, go to MAP 5200: Uninterruptible Power Supply 5115
to resolve the problem.
Related reference
“Controls and indicators for the uninterruptible power supply 5115” on page 19
All controls for the uninterruptible power supply 5115 are located on the front
panel assembly.
Service indicator
If the service indicator on the uninterruptible power supply (UPS) 5115 is flashing
red, maintenance is required.
If the service indicator is on, go to MAP 5200: Uninterruptible Power Supply 5115 to
resolve the problem.
Related reference
“Controls and indicators for the uninterruptible power supply 5115” on page 19
All controls for the uninterruptible power supply 5115 are located on the front
panel assembly.
Load segment 1 indicator
The load segment 1 indicator on the uninterruptible power supply (UPS) 5115 is lit
(yellow) when power is available to load segment 1.
Note: Load segment 1 is unused by the SAN Volume Controller. When the UPS
5115 is configured by the SAN Volume Controller, this load segment is
disabled. During normal operation, the load segment 1 indicator will be off.
Related reference
“Controls and indicators for the uninterruptible power supply 5115” on page 19
All controls for the uninterruptible power supply 5115 are located on the front
panel assembly.
Load segment 2 indicator
The load segment 2 indicator on the uninterruptible power supply (UPS) 5115 is lit
(green) when power is available to load segment 2.
Chapter 2. Overview of the uninterruptible power supply
21
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