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scott17Jul 26, 2025
What to do if Vaillant VRC 630 Control Systems shows a boiler comms error?
- YygeorgeJul 26, 2025
If your Vaillant Control Systems displays a boiler comms error, it indicates a lack of communication with the boiler, potentially signaling a boiler fault and possible operational failure. It is recommended to contact your expert technician.
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