Value 'ON' could not be sent to the KNX bus

hmm i have problems with my Weinzierl baos 771
in this post mclane hase a Weinzierl 731 OH2 repeated writes to KNX interface and problems…
DirkSander say`s he has/had problems with his “IP-BAOS” in this post: OH2 KNX 1.9 Binding - read from KNX results in a write - #15 by lewie

have someone no problems with a Weinzierl Gateway?