High
5 on Daikin EKOMB 22 Combi

Your boiler is having trouble lighting or staying lit because it cannot detect a steady flame, which is likely due to a blocked drainpipe, low gas supply, or an ignition issue.

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

Poor flame signal: Condense output blocked, Gas supply pressure too low or disappears, Check ignition unit and ignition cable, Check setting of gas block, Check earthing, Check air supply and gas output for possible recirculation of flue gases.

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.

246827

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