There are many reasons for the touch switch failure, it may be caused by poor contact, need to cut off the power, and then wipe the contact clean to repair; The circuit board may be burned out, and the circuit board needs to be replaced. It is recommended to contact professional personnel for operation. The switch may be stuck, you can disconnect the power supply, and then take off the switch panel to see if there is any foreign matter stuck.
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Equipment use precautions:
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1, touch the switch can not be used, may be the switch is not opened, can be checked.
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2, the touch switch needs screws to fix, remove the panel, save the screws, third-party screws may be incompatible with the device.
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3, different brands of touch switches have different wiring methods, need to pay attention to the purchase.
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4, touch switch chip is the core component, it is recommended to choose products produced by big brand manufacturers, quality assurance, sensitivity is relatively high.
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5, touch switch has different installation methods, can be selected according to the needs of use.