Air or electrical supply not connected. 

Solution: Check pneumatic and electrical connections to the scale.

Controller circuits are locked.

Solution: Push E-Stop/Abort switch to reset circuits, then pull out on the switch to run the scale.

Fuse FU1 in the controller box is blown.

Solution: Check for blown fuse and replace.

Battery on the controller power supply/display card is dead (Models manufactured before1998 only.**)

Start Delay is Not Long Enough to allow Load Cell to Stabilize and correctly detect the 0.14#  gross weight.

Solution: Increase Start Delay in the program.

Dirt or product accumulation on the load cell is preventing the load cell from deflecting fast enough to register the required +0.14# gross weight.

Solution: Clean the Load Cell.

Cable ties around the air lines or the air lines themselves are too tight and are restricting free movement of the scale head.

Solution: Increase pressure.  Pressure should be set to approximately 60 PSI.

Bag Clamp or Bag Holder Facing is worn.

Solution: Replace the rubber facing.

Unclamp delay time is set too short.

Solution: Increase unclamp delay time.

Bag clamp(s) diaphragm is leaking.