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Find clear guides to boiler error codes, common faults and everyday problems, with simple steps to pinpoint the cause and fix it faster. Save time with practical help that explains what each warning means and how to act without guesswork. Ideal when you need a quick, easy solution and want to get your boiler working again.
The F7 indicates an abnormal flame detection with the boiler switched off and requires a safe technical inspection.
The F54 warning usually indicates a gas supply failure and can block heating and hot water.
The blockage caused by abnormal combustion requires professional diagnosis: causes, warning signs, and safe measures to take.
The lockout is usually due to the ignition electrode, its wiring, or the control board. These are the safe checks.
Two very similar but not identical warnings: this is how they are identified, what causes them, and when it is advisable to check the installation.
The A26 usually points to a pressure anomaly in several Ferroli boilers. These are its causes and key checks.
Error 101 in an Ariston boiler usually indicates overheating and requires checking circulation, pressure, and sensors.
Low pressure can cause the boiler to lock out. This is how to identify the cause and the correct response.
The F22 fault is usually due to lack of water or insufficient pressure. These are the causes and what to check before asking for help.
A safety shutdown related to the flame can have simple causes or require technical inspection. These are the key points.
The D3 code usually indicates a pressure or circulation problem. These are the most common causes and how to detect it.
The power-on warning is often confused with a serious fault, although in reality it marks a startup and locking sequence.