Vaillant Turbomax Plus 824e - Error 5F6 (or SF6) ? Info needed please.

Mark Tee said:
Just in case anyone was interested, the fault was caused by a defective PCB - or far more specifically, a defective relay.

The relay activating the fan had suffered heavy arcing of the contacts and no longer made a reliable connection.

It dawned on me that it couldn't be an air pressure switch fault if the fan hadn't had a chance to "spool up" to MAKE a pressure difference to detect in the first place. Applied 240v directly to the fan connector from the PCB and fan spun straight up and allowed the boiler to fire.

Then tracked it back to the relay which, once replaced made it all happy again.
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Mark Tee said:
I will get a gas safe person to sort, I think we had an air pressure switch die once before :(
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what is up with you :rolleyes: , get a fooking gas safe person don't make me laugh:ROFLMAO::ROFLMAO:
 
Steelmasons said:
No it doesn't..
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Yes, I did not describe that very well.

You can remove the outer cover to expose the pump and diverter valve.

But not the inner cover with spring clips, to the combustion area.
 
Agile said:
So in the case of this boiler, a DIYer should not remove the front cover of the boiler as that forms the room seal!
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I think you explained it very well Tony with the front cover being the casing , the 'combustion chamber front cover' is a totally different part...
Perhaps a confusion on your part with regard to the EcoTEC as opposed to the Turbomax?...
 
This is why we dont give diy advice on here , what you have done is VERY dangerous with the fan being the main component of the flue exhaust.. its not nice to say but maybe sometimes it would be nice if the boiler backlit and burnt a diy eyebrows off, people would then know were not being pretentious arseholes
 
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