BoilerFaultCodesWhat the manual says
Manufacturer manualFlue partially blocked, or insufficient
From this model's manual
Verified against the Ferroli/Ferroli Arena 30 C installation & service manual.
Engineer required
This is a emergency 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
All 18 fault codes on the Arena 30 C
Seeing a different code? Every code this model can display, in one place.
ADomestic hot water sensor faultyExcessive central heating outlet temperatureExcessive central heating return temperatureExternal probe faultyFFailed burner assembly ignitionFan faultFlue gas sensor faultyHigh flue gas temperatureInsufficient water system pressureMicroprocessor faultyNo communication between main board and ignition devicesNo flame following the ignition phaseOutlet sensor faultyReturn sensor faultySafety thermostat activation