OK sorted this one myself. Disconnected the orange wire from the junction box so it couldn't call for hot water. Turned up the roomstat to call for central heating via the white wire. This caused the lever to move out of the locked position on the acuator. Reconnected the orange wire. All...
I had a problem in that my radiators weren't getting warm and suspected an acuator problem. I could maually move the lever at the top of the unit and the rads would get warm.
I've fitted a new acuator keeping the locking lever to the right as per instructions. This lever should 'unlock' when...
