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elizabeth89Jul 28, 2025
What to do if Vaillant Control Panel displays a boiler fault?
- NNatalie BuchananJul 28, 2025
If the Vaillant Control Panel displays a boiler fault (e.g., F.33), first try resetting the boiler by selecting 'Reset' and then 'Yes'. If the fault message continues to appear, it is recommended to inform a qualified technician.
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