How to tell if a circular cable connector is burned out?

Circular cable connector burned out, then the performance of the connector can not be played, how do we judge that it is not burned out, what is the reason for burned out? How to judge the round cable connector has not burned out? Judge aviation plug burned out it?1. After connecting, the device emits obvious noise.2. After connecting, the device starts instantly after jumping insulation fault or jump open phenomenon.3. Sometimes although the connector has been plugged in, but the device actually does not have a current transfer, the device does not run.4. The connector emits a burnt flavor. Circular cable connector burned, if the connector inside the water or insulation material aging, then it is easy to short-circuit phenomenon, resulting in overheating of the plug in the plug, burned connector. General circular cable connector rarely occurs short-circuit burned out, but if the connector burned out, you need to immediately pull out the burned out connector, and replace it with a new one.-5, on the BBC Electronic Products Network platform related to the introduction and sales of products brief: BBC Electronic Products Network - a professional agent / production / sales of a variety of {connectors | wiring harness | wire and cable products }; if you have a related [connectors | wiring harness | wire and cable products] purchasing / sourcing needs or would like to buy / to understand which connectors | wiring harness | wire and cable product solutions that we can provide, please contact our Division below! Business personnel; If you have related [connectors | harness | wire and cable products] sales / resources and promotion needs, please click on the "→ Business Cooperation ←" and special people to discuss!