High
24 on Warmworld FFC 30/60

Your boiler is signalling that it is unable to output the required heating power, likely due to a sensor miscommunication or a fault within the burner control system.

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

kW 24

From this model's manual
Verified against the Warmworld Ffc 30 60 installation & service manual, page 11.
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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