6
Site wiring fault indicators
7
Battery service indicator
8
Battery mode indicator
9
General alarm indicator
Mode indicator
The mode indicator provides status information on the 2145 uninterruptible power
supply (2145 UPS) and is located on the front panel.
When the mode indicator is a steady green, the 2145 UPS is in normal mode. The
2145 UPS checks and charges its battery as necessary.
When the mode indicator is flashing green, the 2145 UPS is in standby mode.
Standby mode means that the 2145 UPS is turned off but is still connected to the
main power source. No power is available from the 2145 UPS output sockets but
the 2145 UPS monitors and charges its battery as necessary.
When the mode indicator is steady red, the 2145 UPS is in bypass mode because of
one of the following conditions:
v The 2145 UPS has overheated
v The 2145 UPS has an overload condition of 103% through 110% for 30 seconds
v The 2145 UPS detects a fault in the battery or in the 2145 UPS electronics
assembly
When
the mode indicator is flashing red and the alarm is sounding, the voltage
range setting might not be correct. When a SAN Volume Controller 2145-4F2 is
connected to the 2145 UPS, the SAN Volume Controller 2145-4F2 automatically
adjusts the voltage range setting. Take no action for this alarm condition unless it
persists for more than five minutes after a SAN Volume Controller 2145-4F2 has
been connected to a 2145 UPS and powered on.
On button
The on button turns on the main power to the 2145 uninterruptible power supply
(2145 UPS).
To turn on the power, press and hold the on button until you hear a beep
(approximately one second). The mode indicator stops flashing and the load-level
indicators display the percentage of load that is being applied to the 2145 UPS.
Off button
The off button turns off the main power to the 2145 uninterruptible power supply
(2145 UPS).
Attention: Never use the off button unless you are specifically directed to in the
instructions that are provided with the SAN Volume Controller 2145-4F2. If you
press it at any other time, you might lose data in the cluster if the other 2145 UPS
fails.
To turn off the power, press and hold the off button until the long beep stops
(approximately five seconds). The mode indicator starts to flash and the 2145 UPS
remains in standby mode until you disconnect the 2145 UPS from the main power
outlet.
110 IBM System Storage SAN Volume Controller: Hardware Installation Guide
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