Diagnose
Bad electrical contacts, burner control unit UBA 3 is defective or KIM is defective.
Solution
1 - Check the contact between:
- The UBA3 burner control unit and the UBA3 mounting base by screwing the UBA3 burner control unit firmly onto the UBA 3 mounting base;
- The control panel BC10 and the base plate of the control panel BC10 by pressing the control panel BC10 firmly onto the base plate;
- All other plug connections and solve any contact problem.
2 - Press the “Reset” button for at least 2 seconds.
- Does the same error message now appear?