I'm not sure if this is the exact troubleshooting guide that was posted earlier, but it's the one the repair shop gave me back in 2020 for the rm480e. It's a pretty useful manual, hope it helps others looking for help on this thing. Mine has been working fine now since I got the drive controller...
Mine is now doing the exact same thing as of today. My blades spin up, the batteries are fully charged but no fwd/reverse. The brake is disengaged, Purchased in September of 2018. My warranty is good through January. This is the first problem I've had with it. I'm capable of replacing parts, but...