EF03 : Timeout Startup Pump

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.

Pump dose valves did not actuate

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

Motor could not drive pumps and linear actuator

Verify motor is driving the pump.

Pump stroke length is shortened by mechanical system tolerance

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