Main Trip Switch Tripped, All Power lost, electric cooker element.

[DrWho]

Until this issue has been fixed is it a safe idea to turn off the power via the switch under the cooker, or just switch off the Mcb cooker switch or both?

 

[DrWho]

When elements fail they can sometimes short to earth, though usually more common with water heating elements, this can often trip an earth trip like you have, the mcb works different, so its common for an Rcd to go off but the Mcb stay on.
If the fault blows clear it is possible for the Rcd to reset but the element no ,longer work.
Its also possible the element if it has failed has blown something internal to the oven possibly the control switch.

It appears the original cooker switch is not being used for the cooker and simply has the fridge plugged into it, the mcb marked cooker will turn off the plug attached to the unused cooker outlet.

just get the oven serviced and see how it goes

333rocky333
Switched off the cooker mcb and you're correct, it switched off the fridge.

 

[terryplumb]

The RCD on your consumer unit protects ALL the circuits ,so in the event of an earth leakage fault ( as can happen when oven element failed ) it cuts power to ALL circuits. It can therefore also be used as a " main " on / off switch. The individual mcb's provide a different type of protection ,against over current . and each MCB only protects the circuit it is connected to. Hope this helps

 

[DrWho]

So if the new element is fitted by the appliance guy shouldn't I also need to get the electric checked so that if the cooker were to go faulty for whatever reason ever again it will trip a mcb and not the Rcd? Also get him to do an insulation test between the cooker elements and the earth?

 

[terryplumb]

The RCD tripped ,as it should , when oven fault occurred. That's why its there. Is this oven your own ,or landlord provided ?

 

[DrWho]

terryplumb
It's landlord provided.

 

[DrWho]

terryplumb
Shouldn't there be an mcb solely for the cooker as the one in the box marked COOKER turns off the fridge.

 

[DrWho]

Did the Rcd trip because there isn't a Mcb purely for the COOKER?

 

[terryplumb]

From what you have told us it appears that you have a cooker and a seperate induction hob. They will be protected by the MCB/s of the circuits to which they are connected. The circuit marked " oven" in the consumer unit is obviously not what your cooker is connected to ,and would benefit from re labelling .

 

[terryplumb]

Did the Rcd trip because there isn't a Mcb purely for the COOKER?

No the RCD tripped because of an earth leakage . if there was an over current that would trip the MCB and it wouldn't trip the rcd. As said earlier the RCD and MCB re act to DIFFERENT faults.

 

[DrWho]

terryplumb
The cooker is an Electrolux Induction hob and the oven is a Whirlpool.

 

[DrWho]

But if there was an over current which mcb would it trip as the mcb labelled COOKER switches off the fridge.

 

[terryplumb]

But if there was an over current which mcb would it trip as the mcb labelled COOKER switches off the fridge.

Explained that 8 mins ago

 

[DrWho]

So are we saying that it's normal for an Rcd to trip the power to a house when a cooker element goes faulty, plus is it normal when this occurs to cause a leakage to the earth?

 

[terryplumb]

So are we saying that it's normal for an Rcd to trip the power to a house when a cooker element goes faulty, plus is it normal when this occurs to cause a leakage to the earth?

With the consumer unit you have ,RCD will cut power to ALL circuits if an earth leakage fault occurs on ANY circuit. Very sensitive device and there to protect you.