diff --git a/src/aare/daq/workflows.py b/src/aare/daq/workflows.py
index 11b8ea37..eb2156c4 100644
--- a/src/aare/daq/workflows.py
+++ b/src/aare/daq/workflows.py
@@ -10,7 +10,7 @@ import time
 
 logger = setup_logger("aareDAQ")
 
-SAFE_POSITION = 900
+SAFE_POSITION = 200
 
 def move_bsz(devs: BeamlineDevices, target: float):
     if abs(target - devs.bsz.position) > 0.1:
@@ -148,16 +148,16 @@ def sa2dc(devs: BeamlineDevices, cfg: BeamlineConfig):
     #TODO det_z_minimum
     if not det_z_pos:
         logger.error("Detector Z position not set, defaulting to 170")
-        det_z_pos = 170
-        cfg.dtz = 170
-    if det_z_pos and det_z_pos < 170:
+        det_z_pos = 99
+        cfg.dtz = 99
+    if det_z_pos and det_z_pos < 99:
         logger.warning(f"Detector Z position is less than 170: {det_z_pos}, setting to 170")
-        det_z_pos = 170
-        cfg.dtz = 170
-    if det_z_pos and det_z_pos > 1200:
+        det_z_pos = 99
+        cfg.dtz = 99
+    if det_z_pos and det_z_pos > 830:
         logger.warning(f"Detector Z position is greater than 1200: {det_z_pos}, setting to 1200")
-        det_z_pos = 1200
-        cfg.dtz = 1200
+        det_z_pos = 800
+        cfg.dtz = 800
     status = devs.bec_worker.det_z(value=det_z_pos)
     logger.info(f"start detector move to {cfg.dtz} at {time.perf_counter() - start:.2f}")
     devs.samcam_auto(AutoEnum.AUTO)