It can't turn on

Estalina, there is too much variation between different machines for us to be able to help you without knowing which one you have. Please edit your question to add the manufacturer and model number of your ice maker, otherwise there's nothing we can do. A better description of the problem would help too, including what you've done so far to try and figure out the issue.

Without a response, eventually we'll just end up archiving your question as unanswerable.

Follow these troubleshooting steps to fix an ice maker that won't turn on: check the power supply, examine the ice maker switch, make sure the water supply is connected, reset the ice maker, test the motor, clear out any ice blockages, adjust the freezer temperature and look for fault codes.

@i_am_the_cosmos an answer should be specific so that the OP can actually fix their device based on it. Since the OP does not give enough information, this question is not yet answerable.