One of the four-powered units F set lost it's mind and had to go for repair.
Called Atlas to ask about it (way out of warranty) and they said "send it in and we'll look it over".
Very shortly after sending it in a call from Atlas says "speed sensor failed - $35 to fix including shipping.
Gave the ok and was very surprised to see it back fixed and working great in about one week.
THAT is fantastic customer service by Atlas!!!
Thank you.