Level of DifficultyA Bit Difficult
Time to do repair15 - 30 mins
Age of Appliance5 - 10 years
Pull out fridge and unplug
Remove drip tray from dispenseer
Unscrew face plate (star bit) 2 screws
Carefully disconnect wire strap from faceplate controls
Unscrew dispenser from chute - 3 screws and one is hddend next to actuator.
Carefully disconnect another wire strap to remove unit.
Remove actuator pad
Remove limit switch (i small philips screw)
Replace switch & pad
Neither the actuator pad nor the limit switch appeared broken or worn but it appears to have solved the problem.
Not a terribly complicaed repair but you need to take care not to damage anything as you take apart. More work than just changing a filter or bulb.