I have removed the head and I can move the spindle freely. I can move it around with my fingers quite easily.
I will check I have 240V at the white wire. (are they always white ?)
I noticed the motor had two wires but neither seemed to be marked.
Does it matter which way they are wired...
I'm having problems with our CH system.
The basic problem is that the HW will switch on when required. ( I can see the actuator move to the required position on the 3 way valse)
However, when I switch on the CH nothing happens and the actuator does not move at all.
I assumed the...