If the toroidal transformer does not turn on after being connected, there may be several possible reasons:
Power cord wiring error:Make sure the power cord is properly connected. Typically, a toroidal transformer has two or more leads, one of which is the input power line and the other or more is the output power line. If the power cord is misconnected or poorly contacted, it can cause the transformer to fail to power on.
Trip Protection:Some toroidal transformers may have internal protective devices, such as thermal protection or overload protection. If the transformer overheats or the power exceeds the rated value, the protective device may trigger, causing the transformer to stop working to protect itself. In this case, it is necessary to check that the transformer dissipates heat properly and that the load meets its power rating.
External Faults:Check whether the power cord is working properly, including whether the socket is powered on, whether the power cord is open, etc. Also check if the transformer is connected correctly and stably. Sometimes, a loose or poorly connected transformer lead can cause the current to fail to be transmitted, making it impossible to energize.
Device Failure:Sometimes, it may be that there is a fault in the transformer itself, such as damage to internal components or a problem with the circuitry. This may need to be inspected and repaired by a professional repairer.
If you think that the above methods have ruled out the problem, but the transformer still cannot be energized, it is recommended to consult a professional electrical engineer or contact the manufacturer of the transformer for more detailed technical support and solutions. At the same time, please ensure the safety of yourself and your equipment by following safe operating guidelines when inspecting and handling electrical equipment.