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What is the Vaillant boiler F.65 fault / error code?

2 Answers

Answered by BoilerOne

25th May 2019

BoilerOne answered the question "What is the Vaillant boiler F.65 fault / error code?"

A vaillant boiler with an error code F.65 is related to over heated electronics or Electronic system temperature is too high. Likely causes of this is an external heat source or an electrical fault 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.65 fault / error code?"

Hi, I’m Greg from Landlord & Homeowner Gas Services The F.65 fault code on a Vaillant boiler is due to a electronics temperature fault The likely causes of this fault are: - The electrics are too hot due to an external facto - Defective electrics Thanks Greg Landlord & Homeowner Gas Services

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