Vaillant AroTherm Error F70 DSN error

myatix · 22 Jul 2024

Hi All,

I recently just completed my first installation of a Vaillant AroTherm Plus 7kw ASHP and just noticed that there is an F70 fault on the VWZ AI controller unit?

This is a common issue for Vaillant boilers that need to have a Designated System Number setup. Is this also the case for the AroTherm plus 7kw?

Where in the installers menu does this get configured?

I hope someone can assist?

diynot

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Vaillant AroTherm Error F70 DSN error

myatix

DIYnot Local

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