Mass Fabricator producing Matter but it doesn't appear and cannot be extracted

I've now played aroud with it and i am not able to get UUMatter from the Mass Fab. I've installed a brand new installation of MC 1.7.10 and only installed forge and IC2exp. My setup is very simple: an MFSU, glass fibre cable and the mass fab. I've inserted transformer upgrades in the mass fab and it started to run (counting up to 100).
When reaching 100 % it starts from 0 agein - quite normal - but there is no liquid shown in the mass fab.
When hovering over the internal tank, it shows me 1000 Mb if UUMatter.
I've tried to extract it by putting universal fluid cells inside the mass fab, but they are not getting filled up. also i've tried to eject it with the fluid ejector upgrade - no success.
This is my installation:
MC 1.7.10
forge-1.7.10-10.13.1.1217
industrialcraft-2-2.2.647-experimental

Does anyone know if this is a bug, or if there is anything new i do not know yet? (i am trying to update from industrialcraft-2_2.0.369-experimental)

Quote from Chocohead

It makes 1 mb of UU per cycle, so it is making it, but in very small amounts.

OK, got it, so it became much more expensive to create UUMatter, right?!

ok, thank you for your help.

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