HELP , boiler trips house electricity when turned on

[SimonG]

Yes, trace the short circuit. I take it you have taken the burner out of the boiler and checked electrodes etc? If you've been playing and haven't found it then bring in a competent sparks.

 

[sam423]

Yes, trace the short circuit. I take it you have taken the burner out of the boiler and checked electrodes etc? If you've been playing and haven't found it then bring in a competent sparks.

have had 2 engineers in to look at it but they can't figure it out but they didnt actually take the burner out.

a 2nd hand one has arrived today from ebay with the same output but different model, will it be straight swap for the engineer or will he shake his head at me like most spanish tradesmen haha?

 

[SimonG]

The boiler could have burst inside and the water level is at the electrode level. Seen that before 🙂 Or it could be a bit of burnt off baffle shorting the electrodes. Loads of reasons, shouldn't be too much of a hassle for somebody who knows what they are doing.

 

[Dannypipe]

It's a case of elimination.

You can still create a demand on the system without the boiler being switched on. That could then tell you if it's something outside of the boiler. Might be a pump, motorised valve or other component.

You then need to start checking with power off all the components. You're looking for a short circuit obvioulsy. So I would put the meter onto ohms and check all the components.

You're new burner will need to be set up and checked before it can just be bolted onto the boiler. This is a job for an oil technician.

 

[Howsie]

I wouldn't be advising anyone to remove anything combustion side...

 

[SimonG]

Are we giving out advice to non GSR's these days?

Only when it's oil 🙂

 

[lame plumber]

Tiddy Oggy Land.
South West England.

In mind of a Tiddy Oggy now. Can you still get them down there LP? Ex wife's father was from Combe Martin.

best ones in Padstow Im afraid, Pack o cards failed to get any hygeine points a while back so I stopped having sunday lunch there! Best way to meet me, is buy a kids blow up dingy, a few tinnies and try rowing to Wales, seems to happen quite a bit and the dingy always seems to be punctured by the time the owners get dumped ashore🙂

 

[sam423]

It's a case of elimination.

You can still create a demand on the system without the boiler being switched on. That could then tell you if it's something outside of the boiler. Might be a pump, motorised valve or other component.

You then need to start checking with power off all the components. You're looking for a short circuit obvioulsy. So I would put the meter onto ohms and check all the components.

You're new burner will need to be set up and checked before it can just be bolted onto the boiler. This is a job for an oil technician.[/QUOTE

checked all that mate.

programmer on
motorized valve on
pump on
boiler on
turn stat up and bang whole house off

 

[dontknowitall]

Sorry to sound obvious but if the stat isn't calling for heat then the house won't trip because nothing is being asked to work.

So, turning the stat up to call for heat might mean the stat is at fault, or the boiler, or the pump or the ... .etc

It's probably time to start isolating/bypassing items until you can isolate which item is causing the cut out. There's no shame in calling in some help - honest! I'd start with an electrician, unless you're competent with a multimeter.

 

[Bunker]

'bet the 3pv is dripping into the pump...

 

[SafeGasInstall]

Will be quicker for you to get the pro in

 

[sam423]

Valve not dripping.valve is working so is the pump

 

[sam423]

Again I have isolated everything possible except the new fuel box and it still trips

 

[dontknowitall]

Again I have isolated everything possible except the new fuel box and it still trips

Including the pump?

 

[sam423]

Including the pump?

why would i need to disconnect the pump when i know that it works?????????:banghead:

 

[Dannypipe]

why would i need to disconnect the pump when i know that it works?????????:banghead:

It could still have a fault on the wiring and still work.

 

[sam423]

It could still have a fault on the wiring and still work.

really??? but if i disconnect the pump then the boiler wouldnt fire up would it??

 

[lame plumber]

really??? but if i disconnect the pump then the boiler wouldnt fire up would it??

I think he is referring to the CH/grunfoss type pump!

 

[dontknowitall]

This ain't the first time I've wondered why I bother.

I don't pretend to know all the answers and I never said it was the pump. I was just asking whether ...

Oh never mind! My post was ignored in the first place :smile:

 

[SimonG]

This is just going round and round. Your'e not going to be able to fix it yourself. Nobody on here is in Spain to have a look. Get somebody in who knows what they are doing.