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F7
Flame error
Worcester Bosch Greenstar 27-30 i System
Cause 228 (Locking)
Flame error. False flame. Flame detected before burner start.
Action
Reset button
Cause 328 (Locking)
Internal error. Replace control board
This code also applies to:
Greenstar CDi Compact Combi
Source:
Manufacturer manual (PDF)
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