Index: tests/dg_tests.py
===================================================================
diff -u -r626654c5a906ee4dd622907d5ac34b7b8fc0dfc8 -r51ccf9db3b88bc2ca473b511bf9b98f40d343bf1
--- tests/dg_tests.py	(.../dg_tests.py)	(revision 626654c5a906ee4dd622907d5ac34b7b8fc0dfc8)
+++ tests/dg_tests.py	(.../dg_tests.py)	(revision 51ccf9db3b88bc2ca473b511bf9b98f40d343bf1)
@@ -59,28 +59,26 @@
     state = 0
     state_elapsed_time = 0
     overall_elapsed_time = 0
-    nelson_support = 0
+
     if dg.dg_operation_mode == 10:
         state = DGChemicalDisinfectStates(dg.chemical_disinfect.chemical_disinfect_state).name
         overall_elapsed_time = dg.chemical_disinfect.overall_elapsed_time
         state_elapsed_time = dg.chemical_disinfect.state_elapsed_time
-        nelson_support = NelsonSupportModes(dg.chemical_disinfect.chem_nelson_support).name
     elif dg.dg_operation_mode == 11:
         state = DGChemDisinfectFlushStates(dg.chemical_disinfect_flush.flush_state).name
         overall_elapsed_time = dg.chemical_disinfect_flush.overall_elapsed_time
         state_elapsed_time = dg.chemical_disinfect_flush.state_elapsed_time
-        nelson_support = NelsonSupportModes(dg.chemical_disinfect.chem_nelson_support).name
 
     info = ('State, {}, Overall_elapsed_time, {}, State_elapsed_time, {}, Disinfect_elapsed_time, {}, '
             'Cancellation_mode, {}, R1_level, {:5.3f}, R2_level, {:5.3f}, Current_rinse_count, {}, '
-            'Total_rinse_count, {}, UI_state, {}, Top_alarm, {}, Nelson_support_mode, {}, '
+            'Total_rinse_count, {}, UI_state, {}, Top_alarm, {}, '
             .format(state, overall_elapsed_time, state_elapsed_time,
                     dg.chemical_disinfect.chemical_disinfect_elapsed_time,
                     ChemCancellationModes(dg.chemical_disinfect.cancellation_mode).name, dg.chemical_disinfect.r1_level,
                     dg.chemical_disinfect.r2_level, dg.chemical_disinfect_flush.rinse_count, 0,
                     #dg.chemical_disinfect_flush.target_rinse_count,
                     DGChemDisinfectUIStates(dg.chemical_disinfect.chemical_disinfect_ui_state).name,
-                    hd.alarms.alarm_top, nelson_support))
+                    hd.alarms.alarm_top))
     return info
 
 
@@ -110,26 +108,22 @@
     state = 0
     state_elapsed_time = 0
     overall_elapsed_time = 0
-    nelson_support = 0
     if dg.dg_operation_mode == 9:
         state = DGHeatDisinfectStates(dg.heat_disinfect.heat_disinfect_state).name
         overall_elapsed_time = dg.heat_disinfect.overall_elapsed_time
         state_elapsed_time = dg.heat_disinfect.state_elapsed_time
-        nelson_support = NelsonSupportModes(dg.heat_disinfect.heat_nelson_support).name
     elif dg.dg_operation_mode == 12:
         state = DGHeatDisinfectActiveCoolStates(dg.heat_disinfect_active_cool.heat_disinfect_active_cool_state).name
         overall_elapsed_time = dg.heat_disinfect_active_cool.overall_elapsed_time
         state_elapsed_time = dg.heat_disinfect_active_cool.state_elapsed_time
-        nelson_support = NelsonSupportModes(dg.heat_disinfect.heat_nelson_support).name
 
     info = ('State, {}, Overall_elapsed_time, {}, State_elapsed_time, {}, Disinfect_RO_77, {}, Disinfect_RO_82, {}, '
             'Disinfect_R_77, {}, Disinfect_R_82, {}, R1_level, {:5.3f}, R2_level, {:5.3f}, Top_alarm, {}, UI_state, {},'
-            ' Nelson_support, {}, '
+            ' '
             .format(state, overall_elapsed_time, state_elapsed_time, dg.heat_disinfect.disinfect_ro_77_time_s,
                     dg.heat_disinfect.disinfect_ro_82_time_s, dg.heat_disinfect.disinfect_r_77_time_s,
                     dg.heat_disinfect.disinfect_r_82_time_s, dg.heat_disinfect.r1_level, dg.heat_disinfect.r2_level,
-                    hd.alarms.alarm_top, DGHeatDisinfectUIStates(dg.heat_disinfect.heat_disinfect_ui_state).name,
-                    nelson_support))
+                    hd.alarms.alarm_top, DGHeatDisinfectUIStates(dg.heat_disinfect.heat_disinfect_ui_state).name))
     return info
 
 
@@ -665,15 +659,15 @@
 
 def run_nelson_support_modes():
 
-    dg.heat_disinfect.cmd_set_nelson_support_mode(NelsonSupportModes.NELSON_CHEM_DISINFECT.value)
+    dg.heat_disinfect.cmd_set_nelson_support_mode(NelsonSupportModes.NELSON_POS_CONTROL_HEAT_DISINFECT.value)
 
     f = open("/home/fw/projects/dialin/tests/Nelson_Support.log", "w")
 
     try:
         while True:
 
-            #disinfect = get_heat_disinfect_mode_info()
-            disinfect = get_chemical_disinfect_mode_info()
+            disinfect = get_heat_disinfect_mode_info()
+            #disinfect = get_chemical_disinfect_mode_info()
             drain = get_drain_states_info()
             load_cell = get_load_cells_info()
             valves = get_dg_valves_states()