Use some cardboard and lift the batteries off the panel's back-box. Making sure the batteries aren't leaking some current to ground is really easy. Make sure the problem isn't something easy to find. When eliminating the impossible, start with the easy stuff. The control panel's circuit board could be a source of the problem(s).The wires coming into the control box could be a source of the problems.The wire dressing (what wires inside the control panel are next to each other) could be a source of the problem(s).The batteries (with hairline cracks) could be a source of the problem(s).There are several possible places where the problems could be coming from. There could be multiple intermittent causes of trouble, but two or more have to be occurring at once in order to turn on the ground fault light.There could be more than one intermittent cause of trouble, and each of them, by themselves, could turn on the ground faut light.There could be a single intermittent cause of trouble that turns on the ground fault light.This is the only assumption you can make about the cause of the problem, until you have it fixed. Make the assumption that there is a problem: the ground fault light sometimes turns on. That is important because you don't have to wait random times between trying each possible cause of the ground fault light turning on. Remember, like Sherlock Holmes, by being a technician looking for a problem, you are a detective.Īlso, because you have established that you can duplicate the problem, you have some control over the detection process. Troubleshooting the intermittent ground fault, though, might come down to - " When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth." ~ Arthur Conan Doyle, The Case-Book of Sherlock Holmes.
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