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Last seen: Nov 7, 2024
@editor We have a 200 litre buffer between the hydraulic station and the radiator and underfloor heating circuits. The flow rate problem was due to un...
@editor Hello. Yes and no! The original problem was indeed a dead water pump, killed by contamination in the circuit and possibly the power cut during...
@william1066 Interesting. I don't see anything in the Vaillant manuals about this. I live in France and the EU version of the Vaillant DHW cylinder do...
Quick update for the sake of completeness. Still no full resolution to this problem. The installer replaced the pump, and the system would still not s...
I think you may be right, but I don’t think I’m going to win the argument to start replacing other components while the error is pointing to the pump....
Thanks for all the suggestions. Quick update - system still not working. The installer had cleared the pump error by replacing it with another pump ...
@alec-morrow That’s a completely fair point and I didn’t mean it as a slight. The installers have done a great job on the initial installation but by ...
Thanks for the suggestion. I'll add it to the list. The strange thing is that the unit no longer shows this error or any others. The app shows a Fl...
Quick update as the despair continues. Installer was there 5 hours today (I was not), and he has got the pump working, which he said was complet...
Thanks very much for such a quick reply. I'm not at the house but the installer is calling past this afternoon and I'll pass on the suggestions. If he...
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