BoilerTool
Home / Greenstar 1000 Combi / 2952
2952

Internal fault when testing ionisation signal

Worcester Bosch Greenstar 1000 Combi

Category
V
Remedy
▶ Restart the appliance to see if the problem re-occurs.
▶ If the fault remains after resetting: the burner controller (PCB) is defective.
This code also applies to:
hello@boilertool.co.uk
© 2026 BoilerTool