> Update
>
>
> Today I received another new A155 (ordered separately, not the one under guarantee) and coupled it with the A154 which
> made me happy to see all worked fine.
>
>
> The "bad" A155 has arrived at Thomann service center.
>
> Have a nice weekend
>
>
> Jacco Ville

I'm glad to hear that the problems have been solved.

Best wishes
Dieter Doepfer