How much does it cost to fix Johnson Starley error code Error 01 + RESET?

Typical repair cost for the Johnson Starley Error 01 + RESET fault is £120-280 including labour.

Error 01 + RESET High

Johnson Starley Error 01 + RESET Fault Code

Q: What does the Johnson Starley Error 01 + RESET fault code mean?

Your boiler has failed to light the flame and has locked itself out for safety.

Also written as ERROR01RESET — same fault.

The Johnson Starley Error 01 + RESET fault code means: your boiler has failed to light the flame and has locked itself out for safety.. It appears on 1 Johnson Starley model in our database.

Technical description: Burner does not light / ignition failure.

Typical repair cost £120-280 (including labour)

DIY fix possible

Check that your gas pre-payment meter (if you have one) has credit.Ensure the main gas stopcock is in the 'on' position.Press and hold the Reset button for 2-3 seconds to see if the burner restarts.

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Johnson Starley models that show the Error 01 + RESET fault code

Click a model for the full fault code list and model-specific repair notes.

Warmcair DW Repair: £120-280

Source

Johnson Starley Error 01 + RESET fault code information on this page is sourced and cross-checked against the official Johnson Starley service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026