REASON         

•       Machine is resetting the buffer brush position and more than 2 seconds have elapsed without having a signal from the brush up switch. 

BRUSH LIFT MOTOR RUNS, BUT THE DOWN SWITCH FAILED TO ACTIVATE

• Brush up switch faulty
• Brush down switch faulty
• Possible broken wire
• Loose connection in the Yellow 24Vdc wire
• Loose connection in the Green/White wire that connects to input 22
• Loose set screw on motor cam

BRUSH LIFT MOTOR DOES NOT RUN

• Fuse is blown (3.25A)
• Fuse holder is defective
• Bad connection to motor
• White/Black wire broken from relay output
• Output CR-3 failed
• Motor has failed