LG LSC26905TT Side by Side Refrigerator "crushed ice wont drop" Questions

...crushed or cubed ice nothing comes out. The ice maker is not even making any ice to be dropped down into the ice bucket. The icemakers won't make ice if the temperature is not below a certain set ...

...crushed ice no matter what I select. When I ask for ice cubes I get crushed ice. The repairman has been here 3 times and replaced the ice mater 2 times. Then he tells me that its the water itself ...