Quote:
Originally Posted by IvorT
All of the replies seem sensible, but I have another observation. A few years ago, I attended a lecture given by a consultant engineer. He warned us, that since these things are electro MECHANICAL devices, they need testing regularly, otherwise they freeze up and then don’t work as fast, when they’re needed. I test Mine about once a year.
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Yep, that's why the test button is their....
