Symptom-to-FRU Index (Netfinity EXP10 - 3520)

Symptom-to-FRU Index

Use the troubleshooting chart in this section to find solutions to problems that have definite symptoms.

Problem Indicator	FRU / Action
Amber LED on	- Drive - Fan - Check ambient air temperature ESM board - ESM board - Power to server but not expansion unit - Power to expansion unit but not server - Clustering problems - Loose cable connections between expansion unit and server - External SCSI cable length too long for application - Adapter speed set too fast for external SCSI cable length NOTE: For more information on SCSI issues, see the SCSI Adapter User's Guide.
Amber LED on, green LED off	- Power Switch
Amber and green LEDs on	- Power Supply
Amber and green LEDs off	- Reseat drive CPU - Drive
All green LEDs off	- Check AC voltage cabinet AC voltage line inputs. - Power Supplies - Mid-plane board
Intermittent power loss to Expansion Unit	- Check AC voltage line, and cabinet power components. - Power Supplies - Mid-plane board
One or more green LEDs off	- Reseat Power Supplies - Reseat drive CRU - Power Supplies - Drive CRUs - Mid-plane board - ESM board - Check SCSI cables
Unable to access drives on one or both SCSI buses	- Check SCSI cables and connections - Check the drive SCSI ID settings. If drives are daisy-chained to same SCSI bus, option switches 1 and 2 must be set to different SCSI ID settings - ESM board
Random errors	Mid-plane board

NOTE: If you cannot find the problem in the troubleshooting charts, test the entire system. See the server documentation for more detailed information on testing and diagnostic tools. (Netfinity 7000-8651 Server-Test)