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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 boiler indicates an unrecognized PSU card. What it means, why it appears, and how to act safely.
The boiler reports a lost configuration after the board is replaced and requires a precise technical adjustment.
A communication fault between boards requires technical inspection and can leave the boiler out of service.
The boiler shuts down due to flame failure: gas, ionization, draft, and electronics determine the diagnosis.
The notice indicates an internal failure of the SU electronic card and requires specialized technical inspection.
The warning indicates a domestic hot water (DHW) tank probe that is disconnected or short-circuited and requires technical diagnosis.
The boiler indicates a fault in the outlet probe of the plate heat exchanger, and it is advisable to know where to look.
The fault indicates an outlet circuit probe and may block the valve control.
The fault points to the outlet probe or a bad connection. Key points to understand it and avoid further damage.
The boiler stops reading the outdoor sensor, alters the regulation, and limits thermal control.
The alert usually indicates a system probe or a poor connection. This is how it is interpreted and handled safely.
The boiler indicates a fault in the domestic hot water sensor and reduces hot water service.