Low
D.045 on Vaillant ecoTEC Plus 832

Your boiler's internal computer is reporting an unusual calculation error regarding the temperature settings, which may result in your heating being slightly warmer or cooler than you requested.

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.

What the manual says

Manufacturer manual

Heatcurveoffset

From this model's manual
Verified against the Vaillant Ecotec Plus installation & service manual, page 74.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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Related fault codes

D.044View →D.046View →

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