EF02 : Timeout Startup Pump

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

The number on the end of the error code refers to which pump is having the issue. For example EF0#.

Pump tried but was not able to move to the home position within a specified amount of time.

  • Verify air pressure to solenoid valves. Verify the valves are actuating.


  • Verify motor is driving the pump.


  • Verify correct assembly of linear actuator and pump piston rods. See pump manual.