High
IGNITION LOCKOUT on Johnson Starley Warmcair DW

Your boiler has tried to start but cannot light the flame, causing it to shut down for safety.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

What the manual says

Manufacturer manual

Burner fails to light or extinguish after a few seconds. Includes checks for gas supply, ignition/detection electrode condition and gap, burner tube cleanliness, spark presence, 230V at gas valve, gas valve resistance, and condensate trap or flue blockages.

From this model's manual
Verified against the Johnson Starley/Johnson Starley Warmcair Dw installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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All 38 fault codes on the Warmcair DW

Seeing a different code? Every code this model can display, in one place.

COMBUSTION FAN FAULTdPER 01ER 02ER 03ER 04ER 05ER 06ER 07ER 08ER 09ER 10ER 11ER 12ER 14ER 15ER 16ER 17ER 18ER 19ER 20ER 25ER 69ER 99Error 01Error 04FAILURE TO LIGHTFLFLUE SENSORGAS VALVE NOT OPENINGLPNO DISPLAYNOT OPERATING IN HEATING MODEOVERHEATOVERHEAT HIGH LIMITPr00Pr12

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