Smeg cooker tripping randomly

[Neilacker]

Hi
Hope someone could help, I have a Smeg induction range cooker that randomly trips the switch to all the plug sockets in the house but never trips the switch the cooker is on, we have had an electrician check the wire from the cooker to the mains and all came back OK and a specialist smeg repair man look at it and no one can find fault.
It will randomly trip doesn't matter whether its the oven being used or just the induction hob, it could trip 3 times per hour then go days without problem a
The model number is tr93ix si 08.

Hope someone could help
Thanks

 

[Electrics]

Its for an outside socket. I have had an electrician check from the switch to the cooker and a Smeg recommended electrician to check the cooker and no faults found.

Thanks

When you say 'check' did he put a multi function tester on it?

 

[Neilacker]

I think you should persist with Smeg - fitness for purpose/ merchantable quality and all that. Shouldn't be failing with a safety related fault so soon!

I will try with smeg again see where that gets me

 

[Avo Mk8]

Smeg recommended electrician to check the cooker and no faults found.

Frustrating. "No fault found" doesn't solve the problem.
Need an electrician equipped with the necessary test gear and a bit more determined to get to the bottom of it!

 

[Neilacker]

When you say 'check' did he put a multi function tester on it?

He put some sort of tester on it I remember him telling me the equipment he was using was more accurate than a multi meter
Thanks

 

[Electrics]

He put some sort of tester on it I remember him telling me the equipment he was using was more accurate than a multi meter
Thanks

Sounds good.

Coming from a French background i wonder if any of the experts in here (since i'm not one) think it's a reasonable suggestion that the AC RCD could be the problem? I've had a look at the cooker there doesn't seem to be much electronics on it so maybe this suggestion is bunk but i just noticed the AC RCD and it sprung to mind.

 

[ferg]

Intermittent faults can be a bit of a pest to find sometimes.
They are by nature not always immediately obvious.

It may be that he was unable to replicate the fault as it may be something inside the cooker heating or cooling that causes the issue.

There is also a possibility that it's a neutral earth fault on a separate circuit.

 

[Avo Mk8]

Sounds good.

Coming from a French background i wonder if any of the experts in here (since i'm not one) think it's a reasonable suggestion that the AC RCD could be the problem? I've had a look at the cooker there doesn't seem to be much electronics on it so maybe this suggestion is bunk but i just noticed the AC RCD and it sprung to mind.

It'a apparently got an induction hob, so it's got around 7kW of electronics I believe ?

 

[Electrics]

It'a apparently got an induction hob, so it's got around 7kW of electronics I believe ?

Does that count as the type that can backfeed DC to an RCD though?

 

[Neilacker]

It'a apparently got an induction hob, so it's got around 7kW of electronics I believe ?

On the back it mentions 11.1kw and 19.4kw

 

[Avo Mk8]

There is also a possibility that it's a neutral earth fault on a separate circuit.

Yes I agree, still a possibility that it's not the cooker !!

 

[Electrics]

Yes I agree, still a possibility that it's not the cooker !!

Yep i would get the spark to test the entire installation. If that returns nothing would it be worth changing the RCD to a Type A?

 

[Norah Nabino]

So what's the 32a labelled cooker?

At this point you need to have the installation tested by a competent person.

You need a complete test on the cooker circuit.
Insulation resistance, RCD test, continuity test etc

 

[Neilacker]

Thanks for the advice.
Little update, I have borrowed another range cooker that has induction hob and electric oven but not has powerful has the smeg (don't know if it will make any difference) just to see how it goes, so far 2 days in and no issues at all i will let you know how it goes over next few days.
Thanks