Product data

If each fan-and-power-supply assembly has continuity, you might have a problem
with the power cable or with the grounding of the using system.
If you are servicing a 220-volt 2104, go to step 13.
If you are servicing a 48 volt 2104, see the rack, or using-system, Installation and
Service Guide, or equivalent, to isolate the fault, then do the complete grounding
check again.
13. Check the power cable for continuity.
If the power cable does not have continuity, exchange it for a new one, then do the
complete grounding check again.
If the power cable does have continuity, see the rack, or using-system, Installation
and Service Guide, or equivalent, to isolate the fault.
34 2104 Service Guide