Fault 19 Code 202 — Unable to save parameter settings, BUS device unavailable

What does Fault 19 202 mean?

The Worcester Bosch Greenstar CDi Boiler displays Fault 19 with code 202, indicating that parameter settings cannot be saved because a configured BUS device is currently not available.

• Configured BUS device is not online or powered
• Incorrect system layout or configuration
• Communication issue with the BUS device

Click steps to track your progress.

1. 1

   Check that all BUS devices in your system are powered on and functioning.

2. 2

   Review the system layout and configuration parameters for accuracy.

3. 3

   Modify the configuration if necessary and attempt to set the parameters again. If the issue persists, contact a qualified heating engineer.