Decelerator or Hand Throttle (STD cab) Position potentiometer voltage is too low
High range clutch is not calibrated
Aux 3rd Lower solenoid failed open or short circuit.
Low pressure switch (-) input shorted to power
Foot Throttle Position potentiometer voltage is too low (engine controller pin B30)
High range clutch is not calibrated
Machine Will Not Move With Engine Running,Electrical problems.Operator pushing down both travel pedals at same time.Park brake locked.Transmission oil level low.Transmission oil cold - allow engine to warm.Transmission range shift lever in neutral position.Suction side filter may need replacement.Operator not in seat.