Electronic traffic switch lights do not shine how to do
There will be no light out of the situation. Making the service life longer, more reliable performance. hope this helps!
Electronic flow switch lights in the poor pipeline, after a long time, often in the probe table with a layer of scale or rust, so that the flow switch probe failure, greatly shortened life, to always clean up the above rust to ensure
Hello, it is estimated that the tube is broken, need to re-change the tube. This is no way to make their own, unless it is to return to the factory repair, or to buy one again.