Low
d.82 on Vaillant Ecomax Condensing 600/800 series

This code is simply a counter displaying how many times your boiler has turned its heating cycle on and off; it is not an error message and does not indicate a 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

Number of heating system cycles (Total)

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.80View →d.81View →d.83View →

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