Dual RCD board

[Wright79]

Evening all... Bitch of a day!!! Changed an old wylex fuseboard for dual RCD consumer unit. All going well until!!!! Ring on left hand RCD lights on right hand RCD.... Switch light switches on once live and trips the rcd covering the ring!!! Lights still on!!!

 

[Octopus]

Any testing done? Neutrals in correct places?

 

[Wright79]

No been left dead until tmrw, I had a moment lol!!!! Neutrals all in correct bar

 

[Octopus]

No dead tests then????

 

[Leesparkykent]

Neutral earth fault on one of the circuits on the RCD that's tripping.