Light Path Diagnostics Table - IBM xSeries 150 User Reference Manual

Table 15. Light path diagnostics
Lit LED on
diagnostics
panel
None The Advanced System Management Processor
has failed.
PS1 Power supply 1 has failed.
PS2 Power supply 2 has failed.
PS3 Power supply 3 has failed.
NON Power supply redundancy has been lost.
Note:
OVER The system has exceeded the power capabilities
of the installed power supply.

Light path diagnostics table

The System Error LED on the operator information panel is lit when certain system
errors occur. If the System Error LED on your server is lit, use the following table to
help determine the cause of the error and the action you should take.
Cause
This LED will not be lit if your server
has only one power supply; however,
the power is not redundant with only
one power supply installed.
PS1
PS2
PS3
NON
OVER
NMI
TEMP
FAN
MEM
CPU
PCI A
PCI B
VRM
DASD1
DASD2
Action
Verify that the Advanced System Management
Processor LED on the system board is on. Have
the system serviced.
Replace power supply 1.
Replace power supply 2.
Replace power supply 3.
• Check the PS1, PS2, and PS3 LEDs and
replace any indicated power supply.
• Install an additional power supply or
remove optional devices from the server.
Install an optional additional power supply, or
remove optional devices from the server.
Chapter 4. Solving Problems
97