Fault 13 Code 157 — System configuration, BUS device changed or replaced (DHW)

What does Fault 13 157 mean?

The Worcester Bosch Greenstar CDi Boiler displays Fault 13 with code 157, indicating a system configuration issue where a BUS device related to the domestic hot water (DHW) system has been changed or replaced.

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

Click steps to track your progress.

1. 1

   Review your DHW system configuration to ensure it matches current hardware.

2. 2

   Start the automatic system configuration process for the domestic hot water system.

3. 3

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