P0BX : Pressure Imbalance B High

To avoid serious injury follow all warnings and instructions in the manual. Wear appropriate personal protective equipment.

  • Ensure material flow is equally restricted on both material lines.


  • Ensure that the pressure imbalance value, on the System Setup screen, is at an acceptable maximum pressure to prevent unnecessary alarms and abort dispenses.


  • Fill tanks with material.


  • Check feed pump and hoses for blockage.  Check that feed pumps have correct air pressure.


  • Check if heater and PRESSURE RELIEF/SPRAY valve are plugged.  Clear.  Replace rupture disk.  Do not replace with a pipe plug.