Junkers · Cerapur 9000i Boiler
The boiler is unable to reach the desired or set hot water outlet temperature, indicating an issue with heating or heat transfer.
Click steps to track your progress.
Check the gas type setting to ensure it matches the supplied gas.
Check the gas/air ratio and correct it if necessary (requires technician).
Inspect the plate heat exchanger for blockages and the turbine for proper function.