1. IF THE MACHINE CANNOT GO BACKWARDS AND ONLY CAN GO FORWARD, CHECK IF THE SUCTION MOTOR IS WORKING, THE MACHINE CAN'T GO BACKWARDS WHEN IT IS WORKING.

2. IF THE FLOOR SCRUBBER CANNOT MOVE FORWARD OR BACKWARD NORMALLY, FOR RIDE-ON MACHINE PLEASE CHECK IF THE FOOT PEDAL AND INTEGRATED CONTROLLER OUTPUT ARE NORMAL. FOR WALK-BEHIND MACHINE, PLEASE CHECK WHETHER THE OUTPUT OF THE INTEGRATED CONTROLLER IS NORMAL. IF ABNORMAL, PLEASE CONTACT YOUR LOCAL DEALER OR THE MANUFACTURER DIRECTLY.