Aison 
Freshman Member
Comments
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Hello Kay Thanks for your fast answer. I didn't notice the change from V4.70(ABHT.7) to V4.70(ABHT.9). I upgraded now all switches to ABHT.9 and I'm going to monitor the situation. It started from the initial installation. The whole installation is new (installed this summer) Hard to say. It's not regular. Sometimes it…
