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Problems with Safe-T-Cut


Peterphuket

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This afternoon I suddenly experienced problems with total power failure in my huose.

When plugging in a battery charger, the Safe-T-Cut jumped out.

Nothing special you might say, initially I thought of the charger but every time the STC switched off.
Then you think of something more serious, like a boiler I have in the attic, or at least a ground fault. But nothing of the sort.

It seems to be the STC itself, it consists of 2 parts, I only found out today, and if you press the modular part, it switches off.

So got this one out for now, with the necessary risks, I am aware of that, but my question is if anyone recognises this problem.

 

 

Could contain:

Could contain:

Could contain:

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When it trips, are you seeing anything in the little window of the "shunt-release" section?

 

I'm assuming you are as it doesn't trip when the RCBO section is removed.

 

Best way to start diagnosis is to turn off all your breakers, does it stay on?

If so then turn on one by one until it trips. Check that circuit.

 

If it won't stay on with everything else off, you're looking at a faulty unit or an N-E fault.

 

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17 minutes ago, Crossy said:

When it trips, are you seeing anything in the little window of the "shunt-release" section?

 

I'm assuming you are as it doesn't trip when the RCBO section is removed.

 

Best way to start diagnosis is to turn off all your breakers, does it stay on?

If so then turn on one by one until it trips. Check that circuit.

 

If it won't stay on with everything else off, you're looking at a faulty unit or an N-E fault.

 

That's true it don't trip with the RCBO removed, that what you sugest one by one, I had started with that, and no without the RCBO section everything is working now.

Because it's dark now, tomorrow I'll place back the module but it looks like a bad contact, I dont have to push the yellow test switch but it happens when I touch the RCBO module.

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3 hours ago, Crossy said:

Did you manage to fix the issue or will you have to get a new module??

Yes i manage the problem, when you look to the print 'RV.2, the connector is located at the other side, on the print side you will see the solder-joints, and it was there the red wire pressure on the joint through the wire insulation.

Everything is working as normal again.

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Afternoon

Guys electric shower test button does not shut off power to unit  when shower is working.

I am presuming the shower unit is dangerous and needs to be changed.

I believe it's over 7 years at least.

Thanks in advance.

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1 hour ago, stix40 said:

Afternoon

Guys electric shower test button does not shut off power to unit  when shower is working.

I am presuming the shower unit is dangerous and needs to be changed.

I believe it's over 7 years at least.

Thanks in advance.

 

Unsafe definitely.

 

It may just need the lid taking off and freeing up.

 

Many use a standard RCBO for a simple fix.

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Thanks Crossy for the quick reply, it has got a breaker above the shower unit on the bathroom wall high up but I not sure if I trust them to be quick enough, in the event of a fault , hopefully I can persuade the landlord to replace! 

Thanks again 👍

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