User Manual

541
Product Manual Maintenance
RePlAcIng A coolIng unIt
A failed Cooling Unit on the Vess R2600 or Vess J2600 can be hot swapped if the other cooling unit is functioning
properly(indicatedbyagreenFanStatusLED).FollowtheinstructionsbelowtoreplaceaproblemCoolingUnit.
tO reMOve the cOOling unit
1. ChecktheFanStatusLED,aredLEDindicatesthefanhasfailedandneedstobereplaced,anamberLED
indicates a problem. See “CoolingUnitLEDindicatesaproblemwiththefan”onpage542
2. Use a No. 1 Phillips screwdriver to turn each set screw counter-clockwise to loosen them. The screws
remain attached to the Cooling Unit so they will not be lost.
3. Pull the detached Cooling Unit out of the subsystem enclosure. You can grasp the posts that house the
set screws initially to move the unit out.
tO insert A new cOOling unit
1. Align the fresh Cooling Unit to be received in the empty cooling unit bay of the subsystem enclosure.
2. Slide the Cooling Unit into place until the set screws are able to be reattached to the backplane of the
enclosure.
3. Turn the set screws to tighten them.
4. ChecktheFanStatusLEDontheCoolingUnittomakesureitisgreen(functioningproperly).
Important
In the event of a Cooling Unit failure, DO NOT remove the failed unit until
there is a replacement available and on hand. A single functioning Cooling Unit
is adequate for cooling the system as long as the failed Cooling Unit remains in
place.Removingthefailedunitwithoutreplacingitwilladverselyaffectairow
within the enclosure resulting in critical overheating and shutdown of the
enclosure.