Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -r3f2b9de757500da37e0ed8881e4e906d94f3076c -recbd3443e0fbf2c84da7a66761765e74eb41407e
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 3f2b9de757500da37e0ed8881e4e906d94f3076c)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision ecbd3443e0fbf2c84da7a66761765e74eb41407e)
@@ -1645,6 +1645,10 @@
                 handleTestValvesCurrentOverrideRequest( message );
                 break;
 
+            case MSG_ID_HD_VALVES_POSITION_COUNT_OVERRIDE:
+                handleTestValvesPositionCountOverrideRequest( message );
+                break;
+
             case MSG_ID_HD_MONITORED_VOLTAGES_SEND_INTERVAL_OVERRIDE:
                 handleTestMonitoredVoltagesSendIntervalOverrideRequest( message );
                 break;
@@ -1689,6 +1693,22 @@
                 handleTestSyringePumpADCReadCtrOverrideRequest( message );
                 break;
 
+            case MSG_ID_HD_TEMPERATURES_VALUE_OVERRIDE:
+                handleTestTemperaturesValueOverrideRequest( message );
+                break;
+
+            case MSG_ID_HD_TEMPERATURES_PUBLISH_INTERVAL_OVERRIDE:
+                handleTestTemperaturesBroadcastIntervalOverrideRequest( message );
+                break;
+
+            case MSG_ID_HD_FANS_PUBLISH_INTERVAL_OVERRIDE:
+                handleTestFansBroadcastIntervalOverrideRequest( message );
+                break;
+
+            case MSG_ID_HD_FANS_RPM_OVERRIDE:
+                handleFansRPMOverride( message );
+                break;
+
             case MSG_ID_HD_SET_CALIBRATION_RECORD:
                 handleSetHDCalibrationRecord( message );
                 break;
Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r3f2b9de757500da37e0ed8881e4e906d94f3076c -recbd3443e0fbf2c84da7a66761765e74eb41407e
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 3f2b9de757500da37e0ed8881e4e906d94f3076c)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision ecbd3443e0fbf2c84da7a66761765e74eb41407e)
@@ -24,16 +24,17 @@
 #include "Battery.h"
 #include "Buttons.h"
 #include "ConsumableSelfTest.h"
+#include "Fans.h"
 #include "FPGA.h"
 #include "ModeStandby.h"
 #include "ModeTreatmentParams.h"
-#include "NVDataMgmt.h"
 #include "OperationModes.h"
 #include "RTC.h"
 #include "SampleWater.h"
 #include "SafetyShutdown.h"
 #include "SystemComm.h"
 #include "SystemCommMessages.h"
+#include "Temperatures.h"
 #include "TreatmentEnd.h"
 #include "TreatmentRecirc.h"
 #include "Utilities.h"
@@ -2828,6 +2829,60 @@
     return result;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The broadcastTemperaturesData function sends out the temperatures data.
+ * @details Inputs: none
+ * @details Outputs: temperatures data msg constructed and queued
+ * @param temperaturesData which is the temperatures msg constructed and queued
+ * @return TRUE if msg successfully queued for transmit, FALSE if not
+ *************************************************************************/
+BOOL broadcastTemperaturesData( TEMPERATURES_DATA_T *temperaturesData )
+{
+    BOOL result;
+    MESSAGE_T msg;
+    U08 *payloadPtr = msg.payload;
+
+    // Create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_HD_TEMPERATURES_DATA;
+    msg.hdr.payloadLen = sizeof( TEMPERATURES_DATA_T );
+
+    memcpy( payloadPtr, temperaturesData, sizeof( TEMPERATURES_DATA_T ) );
+
+    // serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
+    result = serializeMessage( msg, COMM_BUFFER_OUT_CAN_HD_BROADCAST, ACK_NOT_REQUIRED );
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The broadcastFansData function sends out the fans data.
+ * @details Inputs: none
+ * @details Outputs: fans data msg constructed and queued
+ * @param fansData which is the fans msg constructed and queued
+ * @return TRUE if msg successfully queued for transmit, FALSE if not
+ *************************************************************************/
+BOOL broadcastFansData( FANS_DATA_T *fansData )
+{
+    BOOL result;
+    MESSAGE_T msg;
+    U08 *payloadPtr = msg.payload;
+
+    // Create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_HD_FANS_DATA;
+    msg.hdr.payloadLen = sizeof( FANS_DATA_T );
+
+    memcpy( payloadPtr, fansData, sizeof( FANS_DATA_T ) );
+
+    // serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
+    result = serializeMessage( msg, COMM_BUFFER_OUT_CAN_HD_BROADCAST, ACK_NOT_REQUIRED );
+
+    return result;
+}
+
 #ifdef EMC_TEST_BUILD
 BOOL broadcastCANErrorCount( U32 count )
 {
@@ -3932,11 +3987,9 @@
 
 /*********************************************************************//**
  * @brief
- * The handleFWVersionRequest function handles a request for HD f/w
- * version.
+ * The handleFWVersionRequest function handles a request for HD f/w version.
  * @details Inputs: none
- * @details Outputs: message handled, response constructed and queued
- * for transmit.
+ * @details Outputs: message handled, response constructed and queued for transmit.
  * @param message a pointer to the message to handle.
  * @return none
  *************************************************************************/
@@ -7096,4 +7149,131 @@
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
 
+/*********************************************************************//**
+ * @brief
+ * The handleTestTemperaturesValueOverrideRequest function handles a
+ * request to override a temperatures sensor's value.
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message : a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleTestTemperaturesValueOverrideRequest( MESSAGE_T * message )
+{
+    TEST_OVERRIDE_ARRAY_PAYLOAD_T payload;
+    BOOL result = FALSE;
+
+    // Verify payload length
+    if ( sizeof(TEST_OVERRIDE_ARRAY_PAYLOAD_T) == message->hdr.payloadLen )
+    {
+        memcpy( &payload, message->payload, sizeof(TEST_OVERRIDE_ARRAY_PAYLOAD_T) );
+        if ( FALSE == payload.reset )
+        {
+            result = testSetMeasuredTemperatureOverride( payload.index, payload.state.f32 );
+        }
+        else
+        {
+            result = testResetMeasuredTemperatureOverride( payload.index );
+        }
+    }
+
+    // Respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
+/*********************************************************************//**
+ * @brief
+ * The handleTestTemperaturesBroadcastIntervalOverrideRequest function handles a
+ * request to override the temperatures data broadcast interval.
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message : a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleTestTemperaturesBroadcastIntervalOverrideRequest( MESSAGE_T *message )
+{
+    TEST_OVERRIDE_PAYLOAD_T payload;
+    BOOL result = FALSE;
+
+    // Verify payload length
+    if ( sizeof( TEST_OVERRIDE_PAYLOAD_T ) == message->hdr.payloadLen )
+    {
+        memcpy( &payload, message->payload, sizeof( TEST_OVERRIDE_PAYLOAD_T ) );
+        if ( FALSE == payload.reset )
+        {
+            result = testSetTemperaturesPublishIntervalOverride( (U32)( payload.state.u32 ) );
+        }
+        else
+        {
+            result = testResetTemperaturesPublishIntervalOverride();
+        }
+    }
+
+    // Respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
+/*********************************************************************//**
+ * @brief
+ * The handleTestTemperaturesBroadcastIntervalOverrideRequest function handles a
+ * request to override the temperatures data broadcast interval.
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message : a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleTestFansBroadcastIntervalOverrideRequest( MESSAGE_T *message )
+{
+    TEST_OVERRIDE_PAYLOAD_T payload;
+    BOOL result = FALSE;
+
+    // Verify payload length
+    if ( sizeof( TEST_OVERRIDE_PAYLOAD_T ) == message->hdr.payloadLen )
+    {
+        memcpy( &payload, message->payload, sizeof( TEST_OVERRIDE_PAYLOAD_T ) );
+        if ( FALSE == payload.reset )
+        {
+            result = testSetFanPublishIntervalOverride( (U32)( payload.state.u32 ) );
+        }
+        else
+        {
+            result = testResetFanPublishIntervalOverride();
+        }
+    }
+
+    // Respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
+/*********************************************************************//**
+ * @brief
+ * The handleFansRPMOverride function handles a request to override a fans RPM value.
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleFansRPMOverride( MESSAGE_T *message )
+{
+    TEST_OVERRIDE_ARRAY_PAYLOAD_T payload;
+    BOOL result = FALSE;
+
+    // verify payload length
+    if ( sizeof(TEST_OVERRIDE_ARRAY_PAYLOAD_T) == message->hdr.payloadLen )
+    {
+        memcpy( &payload, message->payload, sizeof(TEST_OVERRIDE_ARRAY_PAYLOAD_T) );
+        if ( FALSE == payload.reset )
+        {
+            result = testSetFanRPMOverride( payload.index, payload.state.f32 );
+        }
+        else
+        {
+            result = testResetFanRPMOverride( payload.index );
+        }
+    }
+
+    // respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
 /**@}*/
Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r3f2b9de757500da37e0ed8881e4e906d94f3076c -recbd3443e0fbf2c84da7a66761765e74eb41407e
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 3f2b9de757500da37e0ed8881e4e906d94f3076c)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision ecbd3443e0fbf2c84da7a66761765e74eb41407e)
@@ -26,7 +26,8 @@
 #include "DGInterface.h"
 #include "DialInFlow.h"
 #include "DialOutFlow.h"
-#include "Dialysis.h"
+#include "Dialysis.h"
+#include "Fans.h"
 #include "FluidLeak.h"
 #include "HDCommon.h"
 #include "Prime.h"
@@ -39,6 +40,8 @@
 #include "PresOccl.h"
 #include "Rinseback.h"
 #include "Switches.h"
+#include "Temperatures.h"
+#include "ModeStandby.h"
 #include "SyringePump.h"
 #include "Valves.h"
 #include "Voltages.h"
@@ -472,6 +475,15 @@
 // MSG_ID_Hd_SEND_SERVICE_RECORD
 BOOL sendHDServiceRecord( U32 payloadCurrNum, U32 payloadTotalNum, U32 length, U08* srvcRcrdAddress );
 
+// MSG_ID_HD_DISINFECT_STANDBY_DATA
+BOOL broadcastDisinfectsData( DISINFECTS_DATA_T *disinfectsData );
+
+// MSG_ID_HD_TEMPERATURES_DATA
+BOOL broadcastTemperaturesData( TEMPERATURES_DATA_T *temperaturesData );
+
+// MSG_ID_HD_FANS_DATA
+BOOL broadcastFansData( FANS_DATA_T *fansData );
+
 #ifdef EMC_TEST_BUILD
 // MSG_ID_CAN_ERROR_COUNT
 BOOL broadcastCANErrorCount( U32 count );
@@ -778,6 +790,18 @@
 // MSG_ID_HD_SYRINGE_PUMP_ADC_READ_COUNTER_OVERRIDE
 void handleTestSyringePumpADCReadCtrOverrideRequest( MESSAGE_T *message );
 
+// MSG_ID_HD_TEMPERATURES_VALUE_OVERRIDE
+void handleTestTemperaturesValueOverrideRequest( MESSAGE_T * message );
+
+// MSG_ID_HD_TEMPERATURES_PUBLISH_INTERVAL_OVERRRIDE
+void handleTestTemperaturesBroadcastIntervalOverrideRequest( MESSAGE_T *message );
+
+// MSG_ID_HD_FANS_PUBLISH_INTERVAL_OVERRIDE
+void handleTestFansBroadcastIntervalOverrideRequest( MESSAGE_T *message );
+
+// MSG_ID_HD_FANS_RPM_OVERRIDE
+void handleFansRPMOverride( MESSAGE_T *message );
+
 /**@}*/
 
 #endif