Baxi HE tripping mcb

[d87heaven]

I have a baxi 28 he duotec that is tripping the electrics after an hour of the heating being on. No error code as the electric goes off. Thermistor possibly (values OK at room temperature.)

 

[CBW]

After an hour, have you looked for a leak?

 

[d87heaven]

Can't see anything. If you give it a couple of hours you can reset the mcb and its fine again for an hour.

 

[ianmcd]

I have a baxi 28 he duotec that is tripping the electrics after an hour of the heating being on. No error code as the electric goes off. Thermistor possibly (values OK at room temperature.)

Definately not the thermistor

 

[jurassic sparkk]

I have a baxi 28 he duotec that is tripping the electrics after an hour of the heating being on.

What exactly is tripping??

 

[d87heaven]

It's tripping the rcd at the board. Rcd resets if the boiler mcb is off.

 

[gas112]

divertor valve on left check its not leaking into the black motor attached

 

[d87heaven]

divertor valve on left check its not leaking into the black motor attached

Looks like it could be, tiny amount of rust on the top so must have water coming up. Unplug the lead and boiler doesn't trip. Thank you