Question
What are the potential causes of Ariston Clas One Boiler Error 108?
Asked by: USER7916
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67 Answers
Answer (67)
Several factors can trigger this error. These include a faulty flue temperature sensor itself, damaged or corroded wiring connecting the sensor to the boiler's control board, a blocked or partially blocked flue pipe restricting airflow, or a problem with the boiler's control board interpreting the sensor signal.