Specifications

General troubleshooting tips

WhentheCPMdoesnotperformasexpected,lookforsymptomsthatmightclarifythe

cause.Performingthefollowingactionscanhelpdiagnosetheproblem:

•CheckthestateoftheLEDsontheCPMandothermodulesintheplatform,especially 

thepowerandoutofserviceLEDs.

•ChecktheeventsloggedintheShelfManager’ssystemeventlog(SEL)ortheCPM’s

localSEL.ForinformationonaccessingtheSEL,seeAccessingtheSELonpage 78.

•ChecktemperaturesontheCPM.IftheRadiSysShelfManagerisused,seethe

troubleshootinginformationintheShelfManagementSoftwareReferencefordetails

on

howtoperformthesequeries.

•VerifytheIPaddressandthesubnetmaskassignment.SeetheSoftwareGuidefor

ManagementProcessorsandGeneralPurposeComputingProcessorsfordetailson

verifyingthesea ssignments.

Symptoms and recommended actions

Thistablelistspossibletroubleshooting scenarios.Lookthroughthelistedsymptomsto

seeifanyapplytoyoursituationandfollowtherecommendedactionsfortheapplicable

symptoms.Whenanactionrevealsthecauseoftheproblem,resolvetheproblemas

indicated.

Table 25. Troubleshooting actions based on symptoms

Symptom Recommendation

The power LED on the CPM is not lit. • Make sure the CPM is completely inserted and the hot swap latch is engaged.

• Verify that other modules in the shelf are powered. If not, check the power to the shelf.

• Inspect the rear connectors for damage. If they show no sign of damage, try the following:

• carefully insert the CPM into a different slot

• carefully insert a different CPM in the original slot

WARNING! Do not force the insertion of the CPM. If insertion is not easy, the pins

on the backplane connector may be damaged, which could potentially damage the

rear connectors on the CPM.

• Verify the CPM is in the M4 hot swap state (active state). (See the Shelf Management Software

Reference for more information on hot swap states.)

• Check to see if the software installed on the CPM is communicating with the platform’s Shelf

Manager or whether the CPM is waiting for an external Shelf Manager to enable it.