Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -r0b084a3430750d40473bbd5dc3cdc2d73f4163d2 -r41a41275952290677df1fb0d27db3f354be26dd8
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 0b084a3430750d40473bbd5dc3cdc2d73f4163d2)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 41a41275952290677df1fb0d27db3f354be26dd8)
@@ -1065,7 +1065,7 @@
 {
     BOOL start = TRUE;
     dgCmdResp[ DG_CMD_START_CHEM_DISINFECT_FLUSH ].commandID = DG_CMD_NONE;
-    sendDGStartChemicalDisinfectFlushModeCommand( start );
+    sendDGStartStopChemicalDisinfectFlushModeCommand( start );
 }
 
 /*********************************************************************//**
@@ -1080,11 +1080,55 @@
 {
     BOOL start = FALSE;
     dgCmdResp[ DG_CMD_STOP_CHEM_DISINFECT_FLUSH ].commandID = DG_CMD_NONE;
-    sendDGStartChemicalDisinfectFlushModeCommand( start );
+    sendDGStartStopChemicalDisinfectFlushModeCommand( start );
 }
 
 /*********************************************************************//**
  * @brief
+ * The cmdStopDGActiveCool function sends a stop active cool command
+ * message to the DG.
+ * @details Inputs: none
+ * @details Outputs: stop active cool mode command sent to DG.
+ * @return none
+ *************************************************************************/
+void cmdStopDGActiveCool( void )
+{
+    dgCmdResp[ DG_CMD_STOP_ACTIVE_COOL ].commandID = DG_CMD_NONE;
+    sendDGStopActiveCoolModeCommand();
+}
+
+/*********************************************************************//**
+ * @brief
+ * The cmdStartDGROPermeateSampleMode function sends an RO permeate sample
+ * start command message to the DG.
+ * @details Inputs: none
+ * @details Outputs: start RO permeate sample mode command sent to DG.
+ * @return none
+ *************************************************************************/
+void cmdStartDGROPermeateSampleMode( void )
+{
+    BOOL start = TRUE;
+    dgCmdResp[ DG_CMD_START_RO_PERMEATE_SAMPLE ].commandID = DG_CMD_NONE;
+    sendDGStartStopDGROPermeateSampleModeCommand( start );
+}
+
+/*********************************************************************//**
+ * @brief
+ * The cmdStopDGROPermeateSampleMode function sends an RO permeate sample
+ * stop command message to the DG.
+ * @details Inputs: none
+ * @details Outputs: stop RO permeate sample mode command sent to DG.
+ * @return none
+ *************************************************************************/
+void cmdStopDGROPermeateSampleMode( void )
+{
+    BOOL start = FALSE;
+    dgCmdResp[ DG_CMD_STOP_RO_PERMEATE_SAMPLE ].commandID = DG_CMD_NONE;
+    sendDGStartStopDGROPermeateSampleModeCommand( start );
+}
+
+/*********************************************************************//**
+ * @brief
  * The cmdRequestDGConcentrateRatios function sends a request to DG to receive
  * the concentrate ratios.
  * @details Inputs: none