Avaya S8800 Manual page 59

MEM LED lights up
The MEM LED on the light path diagnostics panel lights up when a memory configuration is
invalid or a memory error occurs (both the MEM LED and CNFG LED might light up).
Troubleshooting steps when both MEM LED and CNFG LED light up
Procedure
1. Make sure that the DIMM configuration is supported.
2. Replace the DIMMs with a supported configuration.
Troubleshooting steps when only MEM LED lights up
• If the server did not boot and a failing DIMM LED lights up:
a. If you have a monitor, check for a PFA log event in the system event log .
b. Reseat the DIMM.
c. If the problem still exists, move the DIMM to a different slot.
d. Look at the DIMM LEDs on the system board:
• If the server booted, the failing DIMM is disabled, and the DIMM LED lights up:
a. If the LEDs light up by two DIMMs and you have a monitor, check the system event
b. If the LED lights up by only one DIMM, replace that DIMM.
NMI LED lights up
The NMI LED on the light path diagnostics panel lights up when a nonmaskable interruption
occurs, or you press the NMI button.
Troubleshooting steps
Procedure
1. If you have a monitor, check the system event log for information about the error.
2. Shut down the server and remove the power cord.
3. Check that all plug-in cards and devices are firmly installed.
4. Turn on the server.
Maintaining the Avaya S8800 Server for Avaya Aura
- If the DIMM LED that corresponds to the new DIMM socket lights up, replace
the DIMM.
- If the DIMM LED that corresponds to the original DIMM socket lights up,
replace the server.
log for a PFA event for one of the DIMMs, and then replace that DIMM. Otherwise,
replace both DIMMs
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Communication Manager
Troubleshooting
July 2012 59