Discuss Measuring Ze in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net
This normally means that the Ze is too high and in applying the test current on the Line earth loop the voltage on the earth will rise above 50V and present danger on the installation.
What result did you get with the two wire method?
If 0.23 then the test should not surely be aborting due to an excessive voltage rise. With my tester I generally use the three wire method for Zs testing when RCDs are present. Not sure why you would be measuring Ze with three probes.
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