Fault 13 Codes 158 or 159 — System configuration, BUS device changed or replaced (heating circuit)

What does Fault 13 158-159 mean?

The Worcester Bosch Greenstar CDi Boiler displays Fault 13 with code 158 or 159, indicating a system configuration issue where a BUS device related to a heating circuit has been changed or replaced.

• A BUS device in the heating circuit was replaced or modified
• System configuration not updated after hardware change

Click steps to track your progress.

1. 1

   Review your heating circuit system configuration to ensure it matches current hardware.

2. 2

   Start the automatic system configuration process for the heating circuit.

3. 3

   If issues persist, contact a qualified heating engineer to verify the BUS device and configuration.