After the malfunction of the multifunctional cleaning vehicle 's horn, the cause of the failure is nothing more than three conditions: no sound at all, sometimes no sound, and a hoarse voice. If there are three situations in which the horn appears, then it is necessary to consider whether the port of the horn plug has loosened, whether the horn switch at the steering wheel has a poor contact, and whether the horn's relay has an electric shock. Eclipse and so on. 1. If the speaker of the multi-function cleaning car does not ring, then it should first check whether the fuse has appeared a fuse, and then pull the plug of the speaker down, use the universal meter to measure the position of the horn switch. There is no electricity. If there is no electricity, then it should be to check the relay of the horn and the harness of the horn. If there is electricity, there is a problem with the horn itself. Try adjusting the nut on the lower horn to see if it can make a sound. If it doesn't ring, then you can change the design of a new horn. 2. If the horn sound of the multipurpose cleaning car is too squeaky, then it should be due to poor contact of the joint car, especially every contact point around the steering wheel. Because the horn is used too frequently, then the electric shock is too severe. It is prone to wear. 3, if the speaker is sometimes loud, and sometimes does not ring, then most of the internal shock of the horn switch has a bad connection. Through the above three points, it is summarized that there are three major points in the common faults of the horns of the multifunctional cleaning vehicles. There are problems with the horn's lines, the horn itself has technical defects, and the horn's switches have come into contact. Bad problem. When there is a fault in the horn, it is entirely possible to carry out inspections in accordance with the three inspections, but most of the vehicle horns are caused by not being treated in time when they are exposed to rain for a long time. It is simply learning to troubleshoot failures, and prevention needs to be done. (Text / Sun Ni) Hydraulic Compression Testing Machine Compression Testing Machine,Hydraulic Compression Testing Machine,Compression Tester,Carton Box Compression Testing Machine Jinan Chenda Testing Machine Manufacturing Co., Ltd. , https://www.jncdtester.com