In CNC turn-mill machine tools, electrical faults may involve different aspects, such as power supply problems, cable connection problems, electrical component failures, etc. Below are some common solutions to electrical problems, but please note that to ensure safety, always seek professional help if you are not a professional technician.

1. Check the power supply: First, check whether the power supply of the machine tool is working properly. Make sure the electrical outlet is working properly and check for damaged or loose power cords. You can use a voltmeter or multimeter to measure whether the power supply voltage is within the normal range.
2. Check cable connections: Check whether all cable connections are secure and eliminate problems with loose plugs or poor connections. Pay special attention to the connection of main power and control cables.
3. Check the fuses and circuit breakers: Check the machine tool's fuses and circuit breakers to make sure they are in normal condition. If a fuse blows or a circuit breaker trips, it may indicate a circuit fault or current overload problem.
4. Check electrical components: Check the working status of main electrical components (such as relays, frequency converters, sensors, etc.). Pay attention to observe whether there are burns, oil leakage, damage or other abnormalities. If a faulty component is found, it should be replaced or repaired in time.
5. Check the control system: Check the CNC system to ensure that the control panel and interface are connected properly. Restart the CNC system, which may require reloading or resetting programs and parameters.
6. Seek professional support: If you are unsure or unable to solve the electrical fault, it is recommended to contact the machine tool manufacturer or experienced maintenance technicians for professional support. They can provide more accurate solutions for specific machine tool models and fault conditions.

Please note that before handling electrical faults, ensure that the machine tool is disconnected from the power supply and follow relevant safety operating procedures. Electrical faults need to be dealt with by professional technicians, so it is important to seek appropriate help promptly to ensure that the fault can be resolved safely and effectively.