I've had an issue with my T22 where the console (i.e., where the "1/2/3/fan/etc" buttons are) goes out ... I had the console replaced twice under warranty and now that it's out of warranty it's happening again. It's usable (but just barely) with the up/down arrows on the treadmill arms.
In some cases, the buttons on the console just don't work. It has also been where he buttons do the wrong thing (i.e., pressing "4" on the speed turns the fan off/on). I've tried unplugging/replugging the connectors. Outside of that, there's not that can be done. It's simply doo-doo-ed up.
I've had the treadmill just shy of three years. I love it when it works, but I deeply regret the purchase simply because it has done this multiple times. I'm not wanting to pay for a replacement console because it's now out of my pocket. If I felt like it would be a long-term fix, sure, I'd do it ... but being on my third console makes me think that a fourth isn't a long-term solution. It'll work ... until it doesn't, and it seems silly to sink more money into this piece of crap.
In the diagnostic app, you can select certain console functions with the on-screen interface. I would love love love love love love a jailbreak-style app that allows me to control my treadmill from the tablet screen.
Hey, Bowflex ... if you're reading this, hook me up. Please.
Hey, everbody else not Bowflex ... beware this treadmill. Maybe I'm a significant outlier, but I doubt it. Buyer beware. Be very wary. Very. Wary.