Index: dialin/common/dg_defs.py
===================================================================
diff -u -rd89cc9d54af335768bd60e8f4486605be38ecef3 -r37f35a243253559a04ed8eea8eabcca0aa53688d
--- dialin/common/dg_defs.py	(.../dg_defs.py)	(revision d89cc9d54af335768bd60e8f4486605be38ecef3)
+++ dialin/common/dg_defs.py	(.../dg_defs.py)	(revision 37f35a243253559a04ed8eea8eabcca0aa53688d)
@@ -223,18 +223,19 @@
     DG_CHEM_DISINFECT_STATE_DRAIN_R1 = 1
     DG_CHEM_DISINFECT_STATE_DRAIN_R2 = 2
     DG_CHEM_DISINFECT_STATE_FLUSH_DRAIN = 3
-    DG_CHEM_DISINFECT_STATE_FLUSH_CIRCULATION = 4
-    DG_CHEM_DISINFECT_STATE_PRIME_DISINFECTANT = 5
-    DG_CHEM_DISINFECT_STATE_DISINFECTANT_FLUSH = 6
-    DG_CHEM_DISINFECT_STATE_FILL_WITH_DISINFECTANT = 7
-    DG_CHEM_DISINFECT_STATE_DISINFECT_R1_TO_R2 = 8
-    DG_CHEM_DISINFECT_STATE_PARTIAL_DRAIN_R1_FILL_R2_TO_R1 = 9
-    DG_CHEM_DISINFECT_STATE_DISINFECT_R2_TO_R1 = 10
-    DG_CHEM_DISINFECT_STATE_PARTIAL_DRAIN_R2_FILL_R1_TO_R2 = 11
-    DG_CHEM_DISINFECT_STATE_CANCEL_BASIC_PATH = 12
-    DG_CHEM_DISINFECT_STATE_CANCEL_WATER_PATH = 13
-    DG_CHEM_DISINFECT_STATE_COMPLETE = 14
-    NUM_OF_DG_CHEM_DISINFECT_STATES = 15
+    DG_CHEM_DISINFECT_STATE_DEPRIME_ACID_LINE = 4
+    DG_CHEM_DISINFECT_STATE_FLUSH_CIRCULATION = 5
+    DG_CHEM_DISINFECT_STATE_PRIME_DISINFECTANT = 6
+    DG_CHEM_DISINFECT_STATE_DISINFECTANT_FLUSH = 7
+    DG_CHEM_DISINFECT_STATE_FILL_WITH_DISINFECTANT = 8
+    DG_CHEM_DISINFECT_STATE_DISINFECT_R1_TO_R2 = 9
+    DG_CHEM_DISINFECT_STATE_PARTIAL_DRAIN_R1_FILL_R2_TO_R1 = 10
+    DG_CHEM_DISINFECT_STATE_DISINFECT_R2_TO_R1 = 11
+    DG_CHEM_DISINFECT_STATE_PARTIAL_DRAIN_R2_FILL_R1_TO_R2 = 12
+    DG_CHEM_DISINFECT_STATE_CANCEL_BASIC_PATH = 13
+    DG_CHEM_DISINFECT_STATE_CANCEL_WATER_PATH = 14
+    DG_CHEM_DISINFECT_STATE_COMPLETE = 15
+    NUM_OF_DG_CHEM_DISINFECT_STATES = 16
 
 
 @unique