Worcester Bosch Boiler Fault Codes
204 fault codes across 7 Worcester Bosch boiler models.
Market-leading UK boiler brand, part of the Bosch Group. Known for reliability and long warranties.
CDi Classic
Combi Discontinued
12 fault codes
· 2012-2019
Greenstar Si Combi / i System
CombiSystem Discontinued
30 fault codes
· 2013-2022
CDi Classic
Regular Discontinued
50 fault codes
· 2012-2019
GB162
SystemRegular Discontinued
67 fault codes
· 2008-2022
Highflow CDi
Combi Discontinued
2 fault codes
· 2007-2019
Greenstar Ri
Regular
5 fault codes
· 2005-present
Greenstar 8000 Life/Style
CombiSystemRegular
38 fault codes
· 2019-present
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