Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/stepconf/pages.py", line 588, in on_jogminus_pressed
    self.a.update_axis_test()
  File "/usr/bin/stepconf", line 1457, in update_axis_test
    halrun.flush()
IOError: [Errno 32] Datenübergabe unterbrochen (broken pipe)