Low
T1 on Worcester Bosch Danesmoor

Your boiler is currently testing if it can create a spark to light the burner as part of its normal startup process.

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

Ignition test – checking the igniter spark

DIY fix possible

Wait up to 30 seconds to see if the code clears and the boiler startsCheck that you have an adequate supply of heating oil in your tankEnsure the oil supply valve is fully open

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Related fault codes

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