We have some Cisco kit at one office all from the same product line purchased at the same time. On the switches ”normal” link lights are green, but on the firew

We have some Cisco kit at one office all from the same product line purchased at the same time. On the switches ”normal” link lights are green, but on the firewalls the “normal” link lights are amber! Our help desk gets a call about once a month from someone reporting the “orange lights” which are visible through a small window in a door.