Index: firmware/App/Controllers/DrainPump.c
===================================================================
diff -u -r752defbb739ea0756a8bf060f00bc6b9429c2764 -r03e051ef654a1bff100da02483645c4e9d0b7a30
--- firmware/App/Controllers/DrainPump.c	(.../DrainPump.c)	(revision 752defbb739ea0756a8bf060f00bc6b9429c2764)
+++ firmware/App/Controllers/DrainPump.c	(.../DrainPump.c)	(revision 03e051ef654a1bff100da02483645c4e9d0b7a30)
@@ -112,6 +112,7 @@
 static U32 drainControlTimerCounter = 0;                                                                        ///< Determines when to perform control on drain pump.
 static BOOL hasClosedLoopBeenRequested = FALSE;                                                                 ///< Closed loop pump control flag.
 static U32 currentDrainPumpRPM = 0;                                                                             ///< Current drain pump RPM from feedback.
+static BOOL signalNewRPMRequest = FALSE;                                                                        ///< Signal flag the indicates there is a new RPM request.
 
 static DRAIN_PUMP_STATE_T pendingDrainPumpCmd = DRAIN_PUMP_OFF_STATE;                                           ///< Delayed (pending) drain pump command.
 static F32 pendingDrainPumpCmdTarget = 0.0;                                                                     ///< Delayed (pending) drain pump command target (rpm or PSI depending on command).
@@ -134,15 +135,17 @@
  * @brief
  * The initDrainPump function initializes the DrainPump module.
  * @details Inputs: none
- * @details Outputs: hasClosedLoopBeenRequested
+ * @details Outputs: hasClosedLoopBeenRequested, targetFlushLineVolume_L,
+ * signalNewRPMRequest
  * @return none
  *************************************************************************/
 void initDrainPump( void )
 {
     stopDrainPump();
 
     hasClosedLoopBeenRequested = FALSE;
-    targetFlushLineVolume_L  = 0.0;
+    targetFlushLineVolume_L    = 0.0;
+    signalNewRPMRequest        = FALSE;
 
     // Initialize the drain pump PI controller
     initializePIController( PI_CONTROLLER_ID_DRAIN_PUMP, DRAIN_PUMP_MIN_DAC,
@@ -177,6 +180,7 @@
         targetDrainPumpRPM      = rpm;
         drainPumpControlMode    = PUMP_CONTROL_MODE_OPEN_LOOP;
         drainPumpControlModeSet = drainPumpControlMode;
+        signalNewRPMRequest     = TRUE;
         result = TRUE;
     }
     else
@@ -515,6 +519,8 @@
         // Set drain pump enable pin
         SET_DRAIN_PUMP_ENABLE();
 
+        // Turn off the new RPM signal
+        signalNewRPMRequest = FALSE;
         // Set drain pump DAC
         drainPumpDACSet = drainPumpDAC;
         setFPGADrainPumpSpeed( drainPumpDACSet );
@@ -578,20 +584,28 @@
 /*********************************************************************//**
  * @brief
  * The handleDrainPumpOpenLoopState function handles the open loop state.
- * @details Inputs: none
- * @details Outputs: none
+ * @details Inputs: signalNewRPMRequest
+ * @details Outputs: signalNewRPMRequest, drainPumpDACSet
  * @return next state of the controller state machine
  *************************************************************************/
 static DRAIN_PUMP_STATE_T handleDrainPumpOpenLoopState( void )
 {
     DRAIN_PUMP_STATE_T state = DRAIN_PUMP_OPEN_LOOP_STATE;
 
-    // Check if the RPM is 0, and if it is turn off the pump
+    // Check if the RPM is 0, then turn off the pump
     if ( 0 == getTargetDrainPumpRPM() )
     {
         state = DRAIN_PUMP_OFF_STATE;
         signalDrainPumpHardStop();
     }
+    // If there is a signal for a new RPM, change to the new RPM
+    else if ( TRUE == signalNewRPMRequest )
+    {
+        // Set drain pump DAC
+        drainPumpDACSet = drainPumpDAC;
+        setFPGADrainPumpSpeed( drainPumpDACSet );
+        signalNewRPMRequest = FALSE;
+    }
 
     return state;
 }