Low
d.62 on Vaillant ecoTEC plus System

This code is simply an information display showing the current temperature setting for your heating during the night, rather than an error or fault with the boiler's operation.

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

Night set-back: 0 to 30

Engineer required

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

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