ProMix: PD2K, PD2K Auto
EF04 : Timeout Startup Pump
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.