Hi @detucker,
What is the model number of the washer?
By "actuator" do you mean the water level pressure sensor?
Did you check that the water level pressure hose is securely connected at both ends, water level pressure sensor and the wash tub and also that it is clear and not blocked?
When the machine is filling, the water rising in the tub also rises in the hose and that increases the air pressure in the hose and therefore onto the sensor so that it gradually operates and when the selected water level is reached a signal is sent to the control board to shut the water inlet solenoid valve.
Hi @detucker
What error code did you get when you ran the diagnostics?
Here's the tech sheet for the model.
On p.2 Activating the Service Diagnostic Test Modes, it shows how to enter the diagnostic test mode, p.3 Fault/Error Code Display Method shows how to interpret the status LEDs to work out the error code and p.6 shows what the error codes mean.
Only saying this because a flashing Sensing LED by itself with no other status LEDs equals an F0 E0 code which means no fault.
A water level pressure system fault is an F3 E1 code i.e. Sensing + Spin + Done status LEDs followed by Done LED only, then the code is repeated