Dell Disk light blinking green and amber regardless of the disk

Dell Server Drive blinking green/amber alternately regardless of what drive in install in that bay..
I know this is suppose to be an indicator of impending failure, but why does it blink this way when I install a replacement?
I tried resetting the adapter to factory, and that worked for a little while, but then reverted to this behavior again.
I have another bay to use, but just curious if someone else had seen this before.
Thanks as always.
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BMaenpaaAuthor Commented:
Solution: both disk I was working with indicate predictive failure in any bay. What are the odds?
Thanks anyway...

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If you replace a disk with a new one and after a while the replacement comes up as predictive failure it is normally down to problems with the other disk (the one that was not replaced), see
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