Originally Posted by
trilerian
The inputs from the sensors are tied to pullups internally, which means you should get a 3.2-3.3V reading on them from the Tunalyzer. Check that you get 3.2-3.3V on each sensor wire from the Tunalyzer, not plugged into a motor. There should be the 3 sensors, a VIN (+5V), gnd, and a temp sensor. You need to check the hall sensor inputs.
Thanks. I can check that, but if that is the issue, I don't see that it could be repaired easily. It would be from a component failure on one of the two circuit boards. Not something I would be able to do.