I would like to ask if you have see following error message and if it is related to problem below..
%C6KENV-SW1_STBY-4-LOWER_SLOT_EMPTY: The lower adjacent slot of module 5 might be empty. Airdam must be installed in that slot to be NEBS compliant
%C6KENV-SW1_STBY-4-HIGHER_SLOT_EMPTY: The higher adjacent slot of module 6 might be empty. Airdam must be installed in that slot to be NEBS compliant
system led in Sup2t is amber
fan and power status is ok