Diagnostic Flow Chart (continued)

3-B


Motor Rotation
     |
     |
Does motor--------------N---------------Power Supplied?
Rotate?                                  |          |  
     |                                   |          |
     |                                   Y          N 
     Y<--------------------------------<-|          |
     |                                              |   
     |                                        Check Wiring
     |
     |
     | 
Adjustable with---------N---------------Does it rotate
VR201?                                  normally by using------
     |                                  normal motor?         |
     Y                                       |                N
     |                                       Y                |
Adjust Time to 200                           |           Replace drive
+/- 1 ms                                 Replace motor