Low
F.XX-F.XX on Vaillant ecoTEC Plus 610

The screen is simply showing you a log of historical errors that have happened in the past and does not mean your boiler is currently suffering a new fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Current value (Fault lists are only displayed, and can only be deleted, if faults have occurred.)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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