It's frustrating when your toy crane machine suddenly stops working, especially when it was just functioning perfectly. Don't worry - this is a common issue with several potential causes that you can often diagnose and fix yourself.

First, check the most obvious culprit: the power supply. Ensure the machine is properly plugged in and the outlet is working. Test the outlet with another device to confirm it has power. If you're using a power strip, try plugging directly into the wall outlet instead.

Next, examine the coin mechanism or start button. Sometimes these can become jammed with debris or worn out from frequent use. Gently clean around the coin slot and check if the start button feels responsive when pressed.

Internal fuse failure is another common reason for sudden shutdowns. Locate your machine's fuse box (usually near the power cord entry point) and inspect if any fuses appear blown. Replace them with identical specifications if needed.

The problem could also be overheating. Crane machines generate heat during extended operation, and safety features may automatically shut them down if components become too hot. Let the machine cool completely before attempting to restart it.

For more technical issues, examine the internal wiring for any loose connections, especially around the power supply unit and main control board. Also check the crane's claw mechanism for any obstructions that might be preventing proper operation.

If these basic troubleshooting steps don't resolve the issue, you may need to consult the manufacturer's manual or contact a professional arcade repair service for more advanced diagnostics and repair. Many problems are simple fixes, but some may require specialized knowledge and replacement parts.