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Mend Vaillant 824E Turbomax Fault

Vaillant Turbomax Plus 824E fault F1?

Hi,
My Vaillant Turbomax Plus 824E combi boiler is showing an "F 1" fault. I have no hot water or central heating. Turning the boiler on and off or pressing the reset button just results in the green light under LCD illuminating and you hear the 3 clicks of the valves. The LCD firstly shows a temperature and then shows " F 1". Nothing works after that.
Any advise or help would be appreciated.

Cj
January 2008
VaillantVaillant 824EHeating, Home Heating SystemsVaillant Turbomax Fault
Since I have it, it has this intermittent.

Though I see it happen more often when it reaches it's setpoint. Here the temperature is set at 60C, when it freezes outside it will run for longer periodes at 60C.

It is not a Vaillant really
December 2010
I have the same problem on the ThermoCompact 615E and although changed the Sensor and checked the cable not broken, it still shows F.1

Any ideas please?

JeddiNight
August 2009
where is the return sensor located.
Thanks

r
September 2008
the sencers gone on the boiler/buy new sencers and
it will work as new.

mark kirkman
July 2008
return ntc sensor failed

paul
February 2008

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Vaillant 824E F1 Fault - No Hot Water/Heating