RCD Testing

[flukeyspark]

Hi Chaps

On testing an RCD I get a good reading on x1 (36.9ms) but get an ERR4 on x5. My multi tester is a fluke.........Can anyone help

 

[ian.settle1]

Hi Chaps

On testing an RCD I get a good reading on x1 (36.9ms) but get an ERR4 on x5. My multi tester is a fluke.........Can anyone help

It's picking noise up on the circuit, need to ensure that every thing is unplugged etc

 

[securityvillage]

Err4 is a fault voltage Check that leads are firmly connected.

Could be caused when carrying out the tests on a loaded circuit.