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Mend Vaillant EcoTEC Plus 418 Boiler Fault Code

Vaillant EcoTEC Plus 418 Fault F7?

Same fault as Jonnie's but with Fault code F7 - any answers.

DougW
July 2011
VaillantVaillant EcoTEC Plus 418Heating, Home Heating SystemsVaillant Boiler Fault Code
F7 is given as NO INFORMATION even in the extended list of Vaillant faults.
Whenever NO INFORMATION is given, it will refer to a faulty cpu on the pcb.
Basically put, you will need to replace the pcb.

Carefree
July 2011

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Vaillant 242Vaillant 282Vaillant 824/2EVaillant 831Vaillant 837Vaillant combiVaillant eco TEC plusVaillant Ecomax 824EVaillant ecoTEC plusVaillant ecotec plus 824Vaillant Ecotec ProVaillant ecoTec pro 28Vaillant GB 242 EHVaillant TurbomaxVaillant Turbomax 242eVaillant turbomax plusVaillant VCWVaillant VCW GB 221 HVaillant VCW GB 242EVaillant VCW GB 242EH

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