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Störungen / Fehler


Kessel Typ Mod Con 850 After december 2012

Störungscode F15

Ursach:

Flapper valve feedback stuck open.

LÖsung:

- Check flue system for obstructions.
- Check proper communication between boilers.
- Check operation of flapper valve.
- Check wiring between valve and controller.
- Replace valve-flapper.