immersion fault on solar systems

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11 Apr 2008
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hello, we are having problems with some immersions that are tripping rcd`s when the earth is connected but are working fine without the earth connected. Some immersions are from China and some are from Spain(where we install) can anyone help. :cry:
 
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you seem to have answered your own question.

the elements would seem to have an earth fault.

have you tried an insulation resistance tester on them?
 
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