1, the ice machine is not frozen. It may be that there is not enough refrigerant, so it is necessary to add refrigerant. Maybe the compressor is out of order. Both problems should be repaired by a professional master, and individuals should not operate at will.

2. The principle of sponge ice is that the process of freezing and solidification needs to be stirred all the time, just like the principle of ice cream. The stirring process determines whether the ice is thin or thick.