Vaillant ecoTEC Pro 28 Combi F.63 – Fault: EEPROM | BoilerTool

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F.63

Fault: EEPROM

Vaillant ecoTEC Pro 28 Combi

Possible cause

EEPROM faulty

Measure

Replace: PCB.

This code also applies to:

ecoTEC Pro 24 Combi ecoTEC Pro 30 Combi

Source: Manufacturer manual (PDF)

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