Low
D.58 on Vaillant Combi Compact 242EB

Your boiler is currently receiving pre-heated water from your solar heating system and does not need to use gas to heat it further.

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 required; this is an information code indicating the solar system is working correctlyMonitor the display to ensure it returns to normal operation when solar heat is unavailable

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Related fault codes

D.50View →D.51View →

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