Index: dialin/common/hd_defs.py
===================================================================
diff -u -r75d8984d2074be9262e4e78d9e10da4895cef0e5 -r189355ba34cabb60dcb53e54614b7b87c2129245
--- dialin/common/hd_defs.py	(.../hd_defs.py)	(revision 75d8984d2074be9262e4e78d9e10da4895cef0e5)
+++ dialin/common/hd_defs.py	(.../hd_defs.py)	(revision 189355ba34cabb60dcb53e54614b7b87c2129245)
@@ -77,6 +77,21 @@
     POST_STATE_FAILED                                       = 24    # POST self-tests failed state
     NUM_OF_POST_STATES                                      = 25    # Number of initialize & POST mode states
 
+@unique
+class StandbyStates(DialinEnum):
+    STANDBY_START_STATE                                     = 0,    # Start standby (home actuators).
+    STANDBY_WAIT_FOR_TREATMENT_STATE                        = 1     # Wait for treatment.
+    STANDBY_WAIT_FOR_DISINFECT_STATE                        = 2     # Wait for UI to send disinfect option.
+    STANDBY_WAIT_FOR_DG_FLUSH_CMD_RESPONSE_STATE            - 3     # Wait for DG flush command response.
+    STANDBY_WAIT_FOR_DG_FLUSH_TO_START_STATE                = 4     # Wait for DG flush to start.
+    STANDBY_DG_FLUSH_IN_PROGRESS_STATE                      = 5     # DG flush operation is in progress
+    STANDBY_WAIT_FOR_DG_HEAT_DISINFECT_CMD_RESPONSE_STATE   = 6     # Wait for DG heat disinfect command response.
+    STANDBY_WAIT_FOR_DG_HEAT_DISINFECT_TO_START_STATE       = 7     # Wait for DG heat disinfect to start.
+    STANDBY_DG_HEAT_DISINFECT_IN_PROGRESS_STATE             = 8     # DG heat disinfect operation is in progress.
+    STANDBY_WAIT_FOR_DG_CHEM_DISINFECT_CMD_RESPONSE_STATE   = 9     # Wait for DG chemical disinfect command response.
+    STANDBY_WAIT_FOR_DG_CHEM_DISINFECT_TO_START_STATE       = 10    # Wait for DG chemical disinfect to start.
+    STANDBY_DG_CHEM_DISINFECT_IN_PROGRESS_STATE             = 11    # DG chemical disinfect operation is in progress
+    NUM_OF_STANDBY_STATES                                   = 12    # Number of standby states (sub-modes)
 
 @unique
 class PreTreatmentSubModes(DialinEnum):
Index: dialin/hd/blood_flow.py
===================================================================
diff -u -r8d5d5b02311dd549eb659be06a14d3972d725ee7 -r189355ba34cabb60dcb53e54614b7b87c2129245
--- dialin/hd/blood_flow.py	(.../blood_flow.py)	(revision 8d5d5b02311dd549eb659be06a14d3972d725ee7)
+++ dialin/hd/blood_flow.py	(.../blood_flow.py)	(revision 189355ba34cabb60dcb53e54614b7b87c2129245)
@@ -522,8 +522,12 @@
 
             @return: 1 if successful, zero otherwise
         """
+        pwm = float_to_bytearray(pwm_pct)
+        payload = pwm
+
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_hd_ch_id,
-                                              message_id=MsgIds.MSG_ID_HD_BLOOD_PUMP_SET_PWM.value)
+                                              message_id=MsgIds.MSG_ID_HD_BLOOD_PUMP_SET_PWM.value,
+                                              payload=payload)
 
         self.logger.debug("Setting blood pump PWM")
 
Index: dialin/hd/dialysate_inlet_flow.py
===================================================================
diff -u -r60299303c0465f4519217d1a26fd5404f0f8f067 -r189355ba34cabb60dcb53e54614b7b87c2129245
--- dialin/hd/dialysate_inlet_flow.py	(.../dialysate_inlet_flow.py)	(revision 60299303c0465f4519217d1a26fd5404f0f8f067)
+++ dialin/hd/dialysate_inlet_flow.py	(.../dialysate_inlet_flow.py)	(revision 189355ba34cabb60dcb53e54614b7b87c2129245)
@@ -481,8 +481,12 @@
 
             @return: 1 if successful, zero otherwise
         """
+        pwm = float_to_bytearray(pwm_pct)
+        payload = pwm
+
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_hd_ch_id,
-                                              message_id=MsgIds.MSG_ID_HD_DIAL_IN_SET_PWM.value)
+                                              message_id=MsgIds.MSG_ID_HD_DIAL_IN_SET_PWM.value,
+                                              payload=payload)
 
         self.logger.debug("Setting dialysate inlet pump PWM")
 
Index: dialin/hd/dialysate_outlet_flow.py
===================================================================
diff -u -r60299303c0465f4519217d1a26fd5404f0f8f067 -r189355ba34cabb60dcb53e54614b7b87c2129245
--- dialin/hd/dialysate_outlet_flow.py	(.../dialysate_outlet_flow.py)	(revision 60299303c0465f4519217d1a26fd5404f0f8f067)
+++ dialin/hd/dialysate_outlet_flow.py	(.../dialysate_outlet_flow.py)	(revision 189355ba34cabb60dcb53e54614b7b87c2129245)
@@ -596,8 +596,12 @@
 
             @return: 1 if successful, zero otherwise
         """
+        pwm = float_to_bytearray(pwm_pct)
+        payload = pwm
+
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_hd_ch_id,
-                                              message_id=MsgIds.MSG_ID_HD_DIAL_OUT_SET_PWM.value)
+                                              message_id=MsgIds.MSG_ID_HD_DIAL_OUT_SET_PWM.value,
+                                              payload=payload)
 
         self.logger.debug("Setting dialysate outlet pump PWM")