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What is the Vaillant boiler F.63 fault / error code?

2 Answers

Answered by BoilerOne

25th May 2019

BoilerOne answered the question "What is the Vaillant boiler F.63 fault / error code?"

A vaillant boiler with an error code F.63 is related to defective electronic controls within the system. This is regarding the EEPROM (Electrically Erasable Programmable Read-Only Memory) error BoilerOne recommend you consult a gas safe registered engineer to diagnose the problem.

Answered by Landlord & Homeowner Gas Services

9th February 2019

Landlord & Homeowner Gas Services answered the question "What is the Vaillant boiler F.63 fault / error code?"

Hi, I’m Greg from Landlord & Homeowner Gas Services The F.63 fault code on a Vaillant boiler is due the faulty EEPROM (Electrically Erasable Programmable Read Only Memory) The likely cause of this fault is: - Faulty electrics Many thanks Greg Landlord & Homeowner Gas Services

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