Vaillant · ecoTEC plus Boilers
The Vaillant Ecotec Plus Boilers have detected that the coding resistance on its main circuit board (PCB) does not match the configured gas group. This is crucial for proper and safe operation with the correct gas type.
Click steps to track your progress.
Verify that the coding resistor on the board is the correct one for your specific gas type.
Ensure the gas family check procedure has been correctly repeated.
Enter the correct gas group setting according to your boiler's specifications.
This type of adjustment typically requires a qualified installer or service technician to address.