To the best of my knowledge, I do not believe those fan trays are FRU (field replaceable units)....
Please advise if I am incorrect. If there are, there should be a document on how it is done, or contacting PANW TAC support.
sorry folks, PA model is 5000 series. There were different locations 850 was in another site.
@SteveCantwell you are right, PA-850 fan tray can't be changed. PA 5000 series it's hot-swappable.
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