This design iteration doesn't have a physical off-balance switch. OOB sensing is via motor controller detection of basket rotation characteristics and perhaps cabinet impact detection if it has an accelerometer on the board like a Neptune TL. The RPS on the motor can be implicated in uL issues but I don't think that's very common.
Nothing appeared broken on my suspension rods but there was no way to judge the dampening characteristics of the pneumatic cylinders. The tub would go to leaping like a bronco during spin acceleration, even with no clothes, bounce upwards and impact the machine top. It's an amazing difference with the new rods.