ProMix: PD2K, PD2K Auto
EF12 : Timeout Shutdown Pump
Pump dose valves did not actuate
Visually inspect valves to ensure they are operating properly; verify they have air pressure above 85 psi (0.6 MPa, 6.0 bar).
Pump is filled with thick paint and could not drive piston to end of stroke. Motor or drive is worn or damaged
Observe motor and drive assembly to verify that the motor is generating force.