1. Loosen the fixing nut of the adjusting screw of the horn, and then turn the adjusting nut. The direction of rotation will vary depending on the function of the horn, so it's hard to tell which side to turn, but you have to turn it a little first, then try honking the horn to see, and then turn it further.
2. Déan an cnó coigeartaithe a shocrú san áit is fearr don fhuaim adharc.
3. Deisigh cnó socraithe an scriú.
4. Mura leor an toirt, déan an voltas a thomhas ag na críochfoirt atá ceangailte leis an gcainteoir, agus é a chur i gcomparáid le voltas na ceallraí. Má tá an voltas íseal, seiceáil na pointí nasc agus línte an sreangú.
After the above tests, the situation that the horn does not sound can be basically solved. Usually, we should pay attention to the ablation of each contact and the poor contact of the joint. Qiqi.com reminds that if the horn fails, try to seek the help of a professional maintenance technician, and do not blindly replace the horn. Also pay attention to the choice of speakers.