BoilerTool
Home / Condens 7000 WP / 306
306

Flame signal after closing the fuel supply

Worcester Bosch Condens 7000 WP

Category
V
Remedy
1. Replace the air/gas ratio control valve.
2. Replace the ionisation cable.
3. Replace the control device/burner control unit.
This code also applies to:
Greenstar 1000 CombiGreenstar 2000 CombiGreenstar 4000 CombiGreenstar 4000 SystemGreenstar 8000 F CombiGreenstar 8000 F RegularGreenstar 8000+ StyleGreenstar 8000+
Source: Manufacturer manual (PDF)
hello@boilertool.co.uk
© 2026 BoilerTool