FW 08.01.00 McDATA Sphereon 4500 Fabric Switch Installation and Service Manual (620-000159-330, November 2005)

Maintenance Analysis Procedures
3-27
Maintenence Analysis Procedures
• Perform a data collection as part of FRU removal and
replacement. Refer to Collect Maintenance Data (EFCM Basic
Edition) or Collect Maintenance Data (Element Manager).
NOTE: Do not remove a power supply unless a replacement FRU is
available. To avoid product overheating, a removed power supply must be
replaced within five minutes.
Was the maintenance action successful?
NO YES
↓ The product is operational. Exit MAP.
Contact the next level of support. Exit MAP.
3
As indicated by event code 370, cooling fan status polling is
temporarily disabled and status values for one or more fans exceed a
set threshold. This indicates possible fan degradation or failure.
Is this event code a recurring problem?
NO YES
↓ A fan failure is indicated. Go to step 2.
Monitor fan operation or recording of additional failure event codes.
Exit MAP.
4
As indicated by event code 426, an intermittent synchronous dynamic
random access memory (SDRAM) problem may result in switch
failure.
Is this event code a recurring problem?
NO YES
↓ A CTP card failure is indicated. Replace the switch.
Exit MAP.
Perform a data collection and contact the next level of support. Refer
to Collect Maintenance Data (EFCM Basic Edition) or Collect
Maintenance Data (Element Manager). Exit MAP.