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604
System fault burner control unit
Worcester Bosch Greenstar 2000 Combi
Category
V
Remedy
▶ Reset appliance - factory reset.
▶ If the fault persists following a reset, the burner control unit/PCB is faulty and must be replaced.
This code also applies to:
Greenstar 1000 Combi
Greenstar 8000 F Combi
Greenstar 8000 F Regular
Greenstar 8000+ Style
Greenstar 8000+
Source:
Manufacturer manual (PDF)
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