Vaillant TurboMax Faulty PCB or Control panel. Boiler QuickiesRichard WeedonMar 27, 20211 min readVaillant TurboMax, If you display is not working it could be the Main PCB or the small control panel, this is how to test it with a multimeter
Vaillant TurboMax, If you display is not working it could be the Main PCB or the small control panel, this is how to test it with a multimeter
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