Shanghai Shuang Xu Electronics Co., Ltd. Oven common fault analysis and troubleshooting methods (for reference only) 1. After the temperature in the oven rises to the set temperature, the power supply cannot be automatically cut off and the heating continues. From the working principle of the oven, it can be known that the temperature in the oven is caused by the work of the resistance wire. To make the oven temperature, it is necessary to require the temperature to rise to the set value, the resistance wire stops doing work; until the temperature drops slightly, the resistance wire can continue to work. In other words, the constant temperature of the oven within the set range is maintained by the automatic turning on and off of the input power source. If the temperature in the oven rises to the set value, the power can not be disconnected and continue heating, indicating that the relay contacts are not released. Remedy, please notify the company's technical department or by professional instrument repair personnel: Check whether the relay pull spring is off; whether the contacts are "burned" sticky together; whether the mercury in the electric contact thermometer is interrupted. 2. The temperature rise in the oven has not reached the set value and the power supply has been disconnected. 3. Can not warm. Turn on the power: 1 Observe the signal light. If the red light does not light, and after half a minute, the relay does not operate, and the filament of the electron tube does not light up, you should first consider that the AC loop may not be connected. 2 The red light is on, and the filament of the tube is not bright. 3 The filament of the electron tube is bright, but the relay does not move. Citrus juice is a good source of vitamins and minerals. They give you energy and keep you alive all day. Make your own fresh juice easily. The design of mini Juicer is simple and contains only a few parts. Our Citrus Juicer is easy to disassemble and clean. A fixed filter can help you control the amount of pulp and let you decide the perfect mixing. You can discard the pulp or use it for other healthy recipes. Orange juicer maker with anti-slip feet and protective cover, it is the only juicer you need! They help to improve blood circulation and obtain vitamin C . Getting the right citrus juicer will keep all nutrients intact and reduce the possibility of oxidation for up to 72 hours. Orange Good Juicer,Kitchen Appliance Juicer,Juicer For Grinder,Orange Squeezer JIANGMEN JIANGHAI DISTRICT SHENGHUI ELECTRIC CO.,LTD , https://www.shenghuielectric.com
Oven common fault analysis and troubleshooting