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Document ID: MCGN-46ARXW

Netfinity EXP10 - Symptom-to-FRU Index

Applicable to: World-Wide

Source: Hardware Maintenance Manual

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 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 CRU 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 inputs, 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.

	Search Keywords
	Document Category	Diagnostics
	Date Created	24-03-99
	Last Updated	24-05-99
	Revision Date	25-05-2000
	Brand	IBM PC Server
	Product Family	Rack/Storage Enclosures
	Machine Type	3520
	Model	All
	TypeModel
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