v
Move the reset toggle switches on the service processor from their current position to the opposite
position. To complete this task, you must remove and replace the service processor. For details, contact
your next level of support.
Common system attention LEDs and system reference codes
Learn more about how to recover from common installation problems.
The following table describes LED status behaviors and describes the meaning of each behavior.
Table 6. Common installation system attention LEDs
Front power
status LED
(green)
ac in (green)
dc out (green)
Fault (yellow)
Description
On
On
On
Off
Power is being supplied to the system
and the system is powered on.
Flashing
On
Flashing
Off
Power is being supplied to the system.
Flashing
Off
Flashing
Off
Power is not being supplied to one of
the power supplies, but power is being
supplied to the second power supply,
and the system is in standby mode.
On
Off
Flashing
Off
Power is not being supplied to one of
the power supplies, but power is being
supplied to the second power supply,
and the system is powered on.
Off
Off
Off
Off
Power is not being supplied to either
power supply.
Flashing
On
Off or flashing
On
Power is being applied, but the power
supply is not functioning properly and
the system is in standby mode.
On
On
Off or flashing
On
Power is being applied, but the power
supply is not functioning properly and
the system is powered on.
Flashing
On
On
On
110 volts are being applied. This system
requires 220 volts.
The following table describes system reference codes (SRCs) that you might encounter during installation.
Table 7. Common installation SRCs
SRC
Error description
Recovery steps
1000xxx
1100xxx
509Axxx
509Dxxx
50A4xxx
50ADxxx
50B1xxx
ac input and power supply
connections
1.
Verify that line cords are plugged in correctly in the
following locations:
v
Drawer
v
Power distribution unit (PDU), if applicable
v
Battery backup unit (BBU), if applicable
v
Input source power receptacle
2.
Verify that the power supplies are seated and latched
into position.
Reference information
31
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