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The warning usually indicates an internal link fault or a power supply issue. This is what it means and how to address it.
Lack of flow in a Dietrich boiler usually points to air, pump, low pressure, or closed valves.
The boiler sparks but does not ignite: causes, checks, and useful signs to diagnose the fault.
The boiler turns on, but the ionization signal does not reach the minimum level. This is how it is interpreted and acted on safely.
A reversed circuit can stop the boiler. These are the key checks to locate the fault systematically.
This warning indicates a detection, connection, or configuration problem with the SCU card and usually requires technical review.
The fault points to a gas control failure and may leave the boiler locked out. These are the key signs to identify it.
The air alarm shuts down the boiler for safety. These are its causes, signs, and useful checks without opening the unit.
The boiler locks out when the pressure goes out of range. This is what it means and how to check it.
The EU strengthens appliance repair with spare parts, open workshops, and deadlines that extend their useful life.
The boiler shuts down for safety: overheating, sensors, and circulation explain the fault and its scope.
The fault usually points to the control board and blocks the equipment for safety. These are the causes and the appropriate response.