Low
GREEN on Grant Vortex 15-20

Your boiler is working exactly as it should and there are no issues detected.

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

Normal operating position

DIY fix possible

This fault may be fixable without an engineer. Check your manual first.

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