High
4 on Daikin EKOMB 22 Combi

Your boiler is trying to start up, but it cannot detect a flame because gas is not getting through properly or the ignition isn't sparking.

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

No flame signal: Main gas valve not opened, Gas supply pressure too low or disappears, Condense output blocked, Check ignition unit and ignition cable, No or incorrect ignition distance, Gas block or ignition unit is not receiving electrical current, Check earthing.

From this model's manual
Verified against the Daikin/Daikin Ekomb 22 Combi 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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Related fault codes

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All 6 fault codes on the EKOMB 22 Combi

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

256827

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