Index: dialin/common/hd_defs.py
===================================================================
diff -u -r9c3fc0c2986d9b12f6ee850d63bacf4c440081a6 -r73ec0aefa3075bc399f0adcfbe68fa50da625ba3
--- dialin/common/hd_defs.py	(.../hd_defs.py)	(revision 9c3fc0c2986d9b12f6ee850d63bacf4c440081a6)
+++ dialin/common/hd_defs.py	(.../hd_defs.py)	(revision 73ec0aefa3075bc399f0adcfbe68fa50da625ba3)
@@ -246,8 +246,10 @@
 
 @unique
 class PreTreatmentPatientConnectionStates(DialinEnum):
-    PATIENT_CONNECTION_STATE = 0                    # Pre-treatment Patient Connection state.
-    NUM_OF_PATIENT_CONNECTION_STATES = 1            # Number of pre-treatment Patient Connection states.
+    PRE_TREATMENT_PAT_CONN_WAIT_FOR_UF_VOL_STATE = 0               # Pre-treatment patient connect wait for UF volume setting state
+    PRE_TREATMENT_PAT_CONN_WAIT_FOR_DLZR_INVERT_STATE              # Pre-treatment patient connect wait for dialyzer inverted state
+    PRE_TREATMENT_PAT_CONN_WAIT_FOR_TREATMENT_START_STATE          # Pre-treatment patient connect wait for treatment start state
+    NUM_OF_PRE_TREATMENT_PAT_CONN_STATES                           # Number of pre-treatment patient connect states
 
 
 @unique
Index: dialin/common/msg_defs.py
===================================================================
diff -u -rd8fe3a0bd8c3e39ac859e6513ba9e3965e11bc74 -r73ec0aefa3075bc399f0adcfbe68fa50da625ba3
--- dialin/common/msg_defs.py	(.../msg_defs.py)	(revision d8fe3a0bd8c3e39ac859e6513ba9e3965e11bc74)
+++ dialin/common/msg_defs.py	(.../msg_defs.py)	(revision 73ec0aefa3075bc399f0adcfbe68fa50da625ba3)
@@ -133,7 +133,7 @@
     REQUEST_REJECT_REASON_INVALID_COMMAND = 25
     REQUEST_REJECT_REASON_TREATMENT_IS_COMPLETED = 26
     REQUEST_REJECT_REASON_RINSEBACK_MAX_VOLUME_REACHED = 27
-    REQUEST_REJECT_REASON_UF_VOLUME_NOT_SET = 28
+    REQUEST_REJECT_REASON_DIALYZER_NOT_INVERTED = 28
     REQUEST_REJECT_REASON_NO_PATIENT_CONNECTION_CONFIRM = 29
     REQUEST_REJECT_REASON_HEPARIN_PAUSE_INVALID_IN_THIS_STATE = 30
     REQUEST_REJECT_REASON_HEPARIN_NOT_PAUSED = 31