Discuss Fault in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

It's an RCBO isn't it? if the underfloor heating is on does and the heaters are not plugged in does the rcbo still trip? is it only when you have the U/F heating and the heater in use the rcbo trips?
 
Drop all neutrals out the neutral bar.. Connect up only the circuit that the heater is being plugged into. RCD up. Everything else off.. I'll bet heater stays on. This isn't a fault with the heater
 
I have only skimmed through this thread as I am eating a sandwich and I am enjoying it, however..

Low powered loads dont trip the RCBO!!
High powered loads do trip the RCBO!!

Perhaps it's nothing to do with earth current?

What is the ampage of the RCBO? Clamp at CU see what it is drawing.
 
I have only skimmed through this thread as I am eating a sandwich and I am enjoying it, however..

Low powered loads dont trip the RCBO!!
High powered loads do trip the RCBO!!

Perhaps it's nothing to do with earth current?

What is the ampage of the RCBO? Clamp at CU see what it is drawing.

Please tell us more about your sandwich. I think it could be a lot more interesting than this RCBO.
 
It's probably an NE fault, but could be many things. Not much point in us speculating, and why any SE spark leaves the house without all their tools and test gear is beyond me.

Would like to think that its now sorted as at 2 weeks it's an old thread for fault finding imo.
 

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