319.
Calibrate the brake switch. If that don't work then you need to adjust the brake switch to the brake pot the pot should be at about 20% when the switch is first made up.
745.
Steer pot. It senses movement from the pot4 ( on top of the steer yoke ) without any input from the steer encoder ECR3.( steer encoder is the on tiller)
You can try to calibrate the steering note when it says turn all the way to clockwise it's talking about the actual tire direction not the tiller.
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