BoilerFaultCodesWorcester Bosch High Flow 400 BF Fault codes & diagnostics
The manual for this boiler has no fault code table.
Which version do you have?
The GC number on your boiler's data badge identifies the exact appliance and production years, as recorded in the UK Product Characteristics Database.
| GC number | Appliance (register name) | Produced |
|---|---|---|
| 47-311-19 | High Flow 400 BF | 1997–2002 |
Appliance names and production years are taken from the UK Product Characteristics Database (the SAP/SEDBUK register). Where a GC number is also printed in this model's own manufacturer manual, both sources were checked to agree.
No fault code table in its manual
We've read the 4 manuals we hold for the Worcester Bosch High Flow 400 BF, and none has a fault code table, so there are no codes to list. We don't fill the gap with codes from a similar boiler, because the same code can mean something different on another model. The fault code table in the installation manual is the one to trust.