Discovery 1 centrel locking stopped working!!!!

Locking was working fine on fob and just using key. Then all of a sudden, the central locking stopped working, when you press the fob, the indicators flash and the alarm arms, but locks don't budge. If you use the key in drivers door, you can hear the actuator make a bit of noise, but only when you unlock, not when locking! None of the other locks move either way! I've checked the fuse, just wondering what's the next thing in line to do? Thanks

I assume u have a single button fob system from what u say.
Have the drivers door card off and see if the master actuator is moving is the next thing in line to do I would think, if it doesn't it won't lock the drivers door or sent voltage to the slaves.

Yeah that's right mate. Had the door card off, actuator is moving with the door button but nothing else happens, makes a bit of noise but that's it!

So is the actuator pulling down the door pin? if not it maybe just a simple readjustment of the actuator mounting plate on the four screws, remove the operating rod from it and see if locks on the other doors lock..

Had it off, it's only moving manually, makes a slight noise when , it's moved with key, but nothing when button pressed!

We'll using the key operates the micro-switch which signal the ECU to switch 12v to the master actuator, that operates and via the switch within the actuator 12v is supplied to the slaves.
So either the master is faulty, it's not getting a 12 v supply or is out of adjustment and not being allowed to operate fully or worse case iffy ECU.

So it one at a time, get the above working then attack the reason why the fob is not operating the CL.

Thanks for your advice mate, I'll have a go, cheers

If your near me in dudley i have a complete single button CL set up inc all the actuators ,ecu the fob ,so you can try swapping stuff over till you find the issue