diff --git a/site_ansto/instrument/reflectometer/config/motors/motor_configuration.tcl b/site_ansto/instrument/reflectometer/config/motors/motor_configuration.tcl
index 9372f523..13b22ec0 100644
--- a/site_ansto/instrument/reflectometer/config/motors/motor_configuration.tcl
+++ b/site_ansto/instrument/reflectometer/config/motors/motor_configuration.tcl
@@ -34,7 +34,7 @@ set sphi_home 7450470
 set sx_home 8574000
 set sy_home 7500000
 set sz_home 8927484
-set dy_home 8862120 
+set dy_home 8694183 
 set dz_home 7788617 
 
 #Measured or computed step rate for sz (Sample Raise)
@@ -339,7 +339,7 @@ Motor dy $motor_driver_type [params \
   axis G\
   units mm\
   hardlowerlim 0\
-  hardupperlim 1095\
+  hardupperlim 1086\
   maxSpeed 10\
   maxAccel 1\
   maxDecel 1\
@@ -350,7 +350,7 @@ Motor dy $motor_driver_type [params \
 dy part detector
 dy long_name longitudinal_translation
 dy softlowerlim 0
-dy softupperlim 1093
+dy softupperlim 1085
 dy speed 2
 dy home 0
 dy precision 0.1
@@ -841,6 +841,8 @@ ss4r precision 0.005
 #double entry ball screw, 25mm pitch, with 100:1 gearbox
 #before 100:1 gearbox was put in absEncHome was 19475318
 #with 100:1 gearbox in the absEncHome has changed.
+#we want the home position to be at the bottom, change
+#absenchome to 3213013
 Motor analz $motor_driver_type [params \
   asyncqueue mc2\
   axis F\
@@ -850,10 +852,10 @@ Motor analz $motor_driver_type [params \
   maxSpeed 1.5\
   maxAccel 0.5\
   maxDecel 0.5\
-  stepsPerX [expr 55 * 25000.0/5.0]\
+  stepsPerX -[expr 55 * 25000.0/5.0]\
   absEnc 1\
-  absEncHome 5842645.0\
-  cntsPerX -[expr 8192.0/5.0] ]
+  absEncHome 3213013\
+  cntsPerX [expr 8192.0/5.0] ]
 analz part polarizer
 analz long_name z_translation
 analz softlowerlim 0