Control Panel System Error LED
The system error LED is turned on on when an error is
detected. If the system error LED is on, remove the cover
and check the diagnostic panel LEDs. The following is a
complete list of diagnostic panel LEDs followed by the
FRU/Action for replacing the problem.
Note:
Diagnostic Panel LED
FRU/Action
CPU LED on
1. Processor 1 or 2 on
(The LED next to the failing
(Processor 1 or 2).
CPU is on.)
2. Processor Board
DASD 1 LED on
1. Failing drive.
(The LED located next to
2. Be sure the fans are operating correctly and
the drive bay that the failing
the air flow is good.
drive is installed in will be
3. SCSI Backplane
turned on.)
FAN 1 LED on 1.
1. Fan 1
2. Fan Cable
3. System Board
FAN 2 LED on
1. Fan 2
2. Fan Cable
3. System Board
FAN 3 LED on
1. Fan 3
2. Fan Cable
3. System Board
MEM LED on
1. Failing DIMM in slot J1, J2, J3, or J4).
(The LED next to the failing
2. System Board
DIMM is on.)
3. Processor Board
NMI LED on
1. Reboot the system.
(Machine check error)
2. Check the system Board LED(s). If on,
see 'System Board LEDs'
3. Check the system error log.
PCI 1 LED on
1. PCI Card for the PCI slot LED that is turned on
2. System Board
3. Processor Board
PCI 2 LED on
1. Card in slot 1 or 4
2. System Board
3. Processor Board
PS1 LED on
1. Check the DC Good LED on power supply 1
If off, replace power supply 1.
2. Power Backplane
PS2 LED on
1. Check the DC Good LED on power supply 2
If off, replace power supply 2.
2. Power Backplane
SMI LED on
1. Reboot the system.
2. Check the system Board LED(s), if on,
see 'System Board LEDs'.
TEMP LED on
1. Be sure the fans are operating correctly
and the air flow is good.
2. Check processor 1 and 2 LEDs
3. Be sure the power supply fans are
operating correctly and the air flow is good.
4. Processor Board
5. System Board
VRM LED on
1. Voltage regulator module for the VRM
(Check the VRM (voltage
LED on the processor board that is turned on
regulator module) LEDs on
2. Processor 1, if the VRM 1 LED on the processor board is on.
the processor board.)
Processor 2, if the VRM 2 LED on the processor board is on.
3. Processor Board
Please see the LEGAL - Trademark notice.
Feel free - send a for any BUG on this page found - Thank you.