Junkers · Cerapur 9000i Boiler
This group of codes indicates that the automatic burner or the Coding Identification Module (KIM) is defective. This is a critical interlocking fault that requires a reset after correction and often professional intervention.
Click steps to track your progress.
Check the wiring and plug connections of the burner control unit.
Ensure the KIM is correctly installed and corresponds to the burner.
If the fault persists, the automatic burner or KIM must be replaced by a qualified service technician to restore operation.