Low
ERR>07 on Alpha Intec 28GS

Your boiler is currently in a manual testing mode used by engineers to check exhaust emissions, so it is not actually broken.

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

Chimney sweep mode active (this is not a fault)

DIY fix possible

Locate the chimney sweep or technician button on your boiler control panelPress the button once to exit the testing modeWait a moment for the display to return to the standard temperature reading

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