[PhilBot]

Originally Posted by aklego

I would agree except that it would do it when the motors were unloaded, i.e the robot was up on blocks just spinning it's wheels. What is completely puzzling to me is that this is a pretty standard FTC configuration..

My experience is that rapidly reversing motors causes worse than Stall-like power consumption. Instead of the Back EMF apposing current flow (like in normal operation), when you rapidly reverse, it augment the applied voltage with no way for the motor to instantly reverse rotation, so for a moment you have twice the voltage applied to the pure resistance of the coils. So this action can invoke stall-like issues in motor controllers (I've seen it blow out a motor controller chip on another system, with no load on the motors).

So, continue down the overload diagnostic path.

I'd consider swapping out that motor controller. It's possible that it has a partial failure that prevents if from dealing with a full over-load.

Phil.