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Vaillant turbotec VCW 255 E?

Hello,

My heating system is giving a F 22 in the display when warm water is needed. What does this error code means for this type of system?

Thanks in advance...

Henri
March 2009
VaillantHeating, Home Heating SystemsVaillant Hello Warm
Its probably because to low waterlevel.

jan
May 2010
I am having the same problem and don't know what to do.

March, 13th.

Susana Aguado
March 2010

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