Nuisance tripping, cooker

[s6stu]

Hi all,

I recently fitted a new c/u, no major problems, all tests came out fine. I then get a call a few days later saying the RCD keeps tripping. I'm going to take a plug in RCD and test various appliances individually, but going by the customers description of the problem, it sounds like the cooker/oven.

Is there anything that can be done about this? I realise that on a new install the cable to the cooker could be installed in earthed metallic conduit, negating the requirement of RCD protection, but this is not an option for this case.

Thanks for any input or suggestions,

Stuart.

 

[Apache]

Welcome to the forum

see here http://www.talk.electricianforum.co.uk/showthread.php?t=1525&highlight=RCD+cooker

until someone that knows may come along

 

[NozSpark]

Whatever you find to be tripping the RCD has a fault. If this is the oven, then changing the circuit to a NON RCD circuit will not cure the fault however it will hide the fault.

So the best thing to do in this instance is to fix the fault (oven??)

Don't test the appliances by plugging them into a plug in RCD, do a IR test (L&N - E) at the plugtop!! @ 250v if you're worried about frying things

 

[s6stu]

I've done all the required tests, including IR test, and no problems found?

 

[NozSpark]

I don't mean on the circuits,,, on the appliances (unless you can get hold of an Appliance tester)

 

[s6stu]

Sorry, didn't read your post properly, I will give it a try.

Thanks

 

[NozSpark]

If it is the oven then you can usually see if an element has a crack in it!!

 

[Andy™]

I've done all the required tests, including IR test, and no problems found?

you should test the cooker - and make sure elements are turned 'on' otherwise you wont test them properly.

If elements have low readings, it could be because its damp if its not been used for a while. you could try bypassing the RCD and turn cooker on for 10 mins to dry out. if it still trips RCD, then still a fault and will probably need parts replaced.