DAQ: error handling for loop centering. Following loop centering change to higher zoom for ML box

daq/src/aaredaq/daq.py

@@ -793,8 +793,12 @@ class AareDAQ:
             self.__cfg.try_set_busy(timeout=360)
             geom = self.sample_geometry
             self.__mount(sample)
-            self.__loop_center_sequence(sample.db_id)
-            self.__set_state(BeamlineStateEnum.SampleAlignment)
+            if not self.__loop_center_sequence(sample.db_id):
+                raise LoopCenteringFailed
+
+            self.zoom = 700
+            time.sleep(0.5)
+
             self.__auto_center(RasterGridRequest(
                 exp_time_s=0.01,
                 file_prefix=sample_prefix,