Low
P.6 on Vaillant ecoTEC

Your boiler is currently running an automated self-test to ensure the internal water flow mechanism is in the correct position for system adjustment.

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

Filling test program. The diverter valve moves to the centre position

Engineer required

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

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Related fault codes

P.0View →P.1View →P.2View →

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