PXI-1042 Chassis power switch LED is steady red

When attempting to turn on the PXI-1042 Chassis, the power switch LED turns steady green for ~2 seconds, and then turns steady red and remains in this state.  All modules were removed (PXI-8330, PXI-6704, PXI-5411, LeCroy PXD 1021 digitizer) with the AC plug removed, and when powering up the chassis again with the AC plug re-inserted, the LED went through the same process, remaining at steady red.  This issue arose after our building underwent a power outage, and during this outage the chassis was in standby mode, the AC power plug was still attached to the chassis, but the power to the surge protector (to which the other end of the AC power plug was attached) was turned off.  To my knowledge, there were no surges when power to the building was restored.  Does anyone know what could be causing this problem (possible power surge?), and can it be remedied/repaired?  Thanks.

Thanks for the advice.  I contacted NI but they were unable to offer a cheap replacement fan, nor is our part still under warranty, but I was able to get in touch with the fan manufacturer to get the identical one (Mechatronics P/N: E9225X12B1FSR).  It actually runs on 12 VDC and has a tachometer output, which I'm assuming the chassis reads to determine whether or not to power up all of the attached devices.
  -Myles

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