Power Supply Unit (PSU)

Problem Blue LED on PSU

Cause PSU is not properly assembled

Resolution Make sure all PSUs are properly attached to the Chassis by pushing the insertion latch

Validation Run: asg stat -v and check PSUs amount

Problem After Chassis RMA: rightmost Chassis components (SGMs, PSUs) are not monitored

Cause DC PEMs are missing

Resolution Move DC PEMs from the old to the new Chassis.

Validation Verify that all Chassis components are monitored

Problem asg diag reports that power unit is misplaced

Cause Telkor PSUs should be placed from upper right to bottom left

Resolution Place 5 Telkor PSUs as follows: 3 in upper tray, 2 in bottom tray.

Leave the leftmost bay in bottom tray empty and covered with blank

Validation asg diag should not warn about PSU misplacement