BoilerTool
Home / Greenstar 8000 F Combi / 815
815

Low loss header temp. sensor faulty

Worcester Bosch Greenstar 8000 F Combi

Category
W
Remedy
Tip: Check menu has not been accidentally switched on.
Moisture on the connectors – control unit fault.
This code also applies to:
Condens 7000 WPGreenstar 8000 F RegularGreenstar 8000+ StyleGreenstar 8000+
Source: Manufacturer manual (PDF)
hello@boilertool.co.uk
© 2026 BoilerTool