Low
D.58 on Vaillant Atmomax

Your boiler is currently taking advantage of heat from your solar panels to help warm up your water, which is a normal energy-saving function.

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

Activation of solar reheating

DIY fix possible

No action is required as this is an advisory status message rather than a fault.Monitor the display to see if the code disappears once solar heating is complete.Continue to use your hot water as normal.

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