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Level 2 diagnostic panel LEDs
The illustration at "Removing the server top cover and bezel" on page 72 shows the
location of the Level 2 diagnostic panel LEDs, visible through a special cutout area
on the top cover. See "Level 2 Light Path troubleshooting" on page 21 for
information about using them to identify problems. The following illustration
identifies the diagnostic panel LEDs.
See log
(CR17)
The meanings of these LEDs are as follows:
EXP
NMI
Over Temp
PCI
VRM
DASD
Out of Spec
PS2
Remind button
PS1
PS3
Non Redund
CPU
MEM
FAN
SP Bus
See Log
Notes:
1. The server supports replaceable voltage regulator modules (VRMs).
2. The server supports a maximum of three power supplies.
20
Hardware Maintenance Manual: xSeries 360 Type 8686
Over
Temp
PCI
EXP
NMI
(CR9)
(CR8)
(CR7)
(CR19)
SP bus
Fan
Mem
(CR4)
(CR6)
(CR3)
Out of
Spec
DASD
VRM
(CR14)
(CR13)
(CR15)
CPU
Non
PS3
PS1
(CR18)
Redund
(CR10)
(CR12)
(CR16)
Attached expansion I/O failure
Nonmaskable interrupt
System over temperature condition
PCI failure
VRM failure
Hard disk drive failure
Power supplies being overdriven
Power supply number 2 failure
Remind to invoke remind mode
Power supply number 1 failure
Power supply number 3 failure
Nonredundant power mode
Microprocessor failure
Memory failure
Fan failure
Remote Supervisor Adapter failure
See event log or Remote Supervisor Adapter log for
non-optimal condition information
Remind
PS2
button
(CR11)
(SW1)
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Troubleshooting
