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The cooktop is protected from excessive heat. We tell you what to check, how to act, and when to stop.
The boiler stops due to a circulation problem or air in the circuit. This is how it affects it and what it is advisable to check.
The circuit board is protected against excessive temperature or accumulated heat. These are the real causes and how to act safely.
The Bosch cooktop shows F4 when it is still hot. This is how the system works and what to check before requesting service.
It is usually related to an incorrect water level or too much foam. This is how it is interpreted and checked.
The F06 fault can stop the cycle, lock the drum, or indicate an internal electrical problem.
Turning the boiler up to 80°C does not always improve heating: it can increase consumption, noise, and system wear.
A delicate fault in Hisense usually points to the board, temperature sensor, or excessive foam.
Black smoke in a Biasi boiler points to faulty combustion, dirt, or a blocked flue.
The boiler locks out due to a communication fault with the gas valve. These are the causes and key checks.
The fault usually comes from the outdoor heat exchanger sensor. Key points to diagnose it and avoid further damage.
The H27 alarm usually indicates a fault in the outdoor probe, with useful clues for locating the malfunction.