How to solve the malfunction of the proximity switch?

If the proximity switch malfunctions, please follow the steps below to troubleshoot:

1 Stable power supply to the proximity sensor separately;

2 The response frequency is within the rated range;

3 There is jitter in the object detection process, resulting in exceeding the detection area;

4 multiple probes are tightly mounted to interfere with each other;

5 There are other objects in the test area around the sensor probe;

6 There are high-power devices around the proximity sensor and electrical interference.