JLG boom ( 2012 600AJ) moves itself: operator in the basket, engine on, pedal on, drive joystick pushed towards the operator - boom starts moving ok, operator released joystick - boom moves opposite direction ( boom moves itself without operator touching the joystick). Any ideas?
Video Link: https://photos.app.goo.gl/oUNjbqajaYPFv4ky7
Video Link: https://photos.app.goo.gl/oUNjbqajaYPFv4ky7