Choose a Problem Back to Index ‘Valve on Switch’ in Load Gripper Failed. Drum doesn't Spin. Can't Perform Drum Initiation Bad Attachment - Plate did not Attach to the Drum Illegal Gripper Width Rollers Mark the Plate Plate Shifted 3mm to the Left on the Drum. H.P Drum Error is not Found. Drum Vibration Error. Loading Problem with Small or 0.2mm Plates. 'Drum Go Speed Time Out' Drum Spins out of Control when Initiation is Performed. Grippers are not Working Properly. It Turns On and Off and Makes a Recurrently Noise. Lotem Hangs while Loading Plate is Ready to Go to the Gripper Position Balance System is not Working Properly After Loading 2.10.06. Illegal Tail Gripper Position. Drum Vacuum does not Work During Loading. Balance Weight not in the Right Position Intermitted error "Drum did not reach position" and a clonking noise during drum turning. The H.P carriage is broken. Balance weight not in the right position. using plats widths  : 567+/-1  , 777+/-1  , 967+/-1 can cause loading problem Load gripper not in H.P. or Unload gripper not in H.P. Punch does not return to home position and plates cannot go into the punch