IBM eServer 240 xSeries User Reference Manual page 166

Table 15 (Page 3 of 4). Light path diagnostics
System Error
LED (operator Lit LED on
information diagnostic LED
panel) panel
On (continued) SMI
SERVICE
PROCESSOR
BUS
POWER
SUPPLY 1
POWER
SUPPLY 2
POWER
SUPPLY 3
POWER
SUPPLY NON
REDUNDANT
FAN 1
FAN 2
FAN 3
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IBM xSeries User's Reference
Cause
A systems management event
occurred.
An error has occurred on the service
processor bus.
Power supply 1 has failed.
Power supply 2 has failed.
Power supply 3 has failed.
Power supply redundancy has been
lost.
Fan 1 has failed or is operating too
slowly.
Notes:
1. An LED on the failing fan assembly
will also be on.
2. A failing fan can also cause the
TEMPERATURE and HDD LEDs to
be on.
Fan 2 has failed or is operating too
slowly.
Notes:
1. An LED on the failing fan assembly
will also be on.
2. A failing fan can also cause the
TEMPERATURE and HDD LEDs to
be on.
Fan 3 has failed or is operating too
slowly.
Notes:
1. An LED on the failing fan assembly
will also be on.
2. A failing fan can also cause the
TEMPERATURE and HDD LEDs to
be on.
Action
1. Check the system error log for
more information.
2. If the problem persists, restart the
server.
If the problem persists, have the
system serviced.
Disconnect the server from all electrical
sources, wait 30 seconds, reconnect
the server to the electrical sources, and
restart the server.
If the problem persists, have the
system serviced.
Replace power supply 1.
Replace power supply 2.
Replace power supply 3.
1. If one of the power supply LEDs is
on, replace the indicated power
supply.
2. Install an additional power supply
to regain redundancy.
Replace fan 1.
Replace fan 2.
Replace fan 3.