Index: firmware/App/Modes/ModeFault.c
===================================================================
diff -u -rcc398b14ccf518f350b57fb5cb8728e5c908bd1e -r99b0c8f1ff9f9319f68e5043cd8c007e317a05c0
--- firmware/App/Modes/ModeFault.c	(.../ModeFault.c)	(revision cc398b14ccf518f350b57fb5cb8728e5c908bd1e)
+++ firmware/App/Modes/ModeFault.c	(.../ModeFault.c)	(revision 99b0c8f1ff9f9319f68e5043cd8c007e317a05c0)
@@ -7,16 +7,22 @@
 *
 * @file ModeFault.c
 *
-* @author (last) Sean Nash
-* @date (last) 26-May-2020
+* @author (last) Quang Nguyen
+* @date (last) 24-Aug-2020
 *
 * @author (original) Dara Navaei
 * @date (original) 05-Nov-2019
 *
 ***************************************************************************/
 
-#include "OperationModes.h"
+#include "DrainPump.h"
+#include "Heaters.h"
 #include "ModeFault.h"
+#include "OperationModes.h"
+#include "ROPump.h"
+#include "SystemCommMessages.h"
+#include "UVReactors.h"
+#include "Valves.h"
 
 /**
  *  @addtogroup DGFaultMode
@@ -34,9 +40,8 @@
 /*********************************************************************//**
  * @brief
  * The initFaultMode function initializes the Fault Mode module.
- * @details
- * Inputs : none
- * Outputs : Fault mode module initialized
+ * @details Inputs: none
+ * @details Outputs: Fault mode module initialized
  * @return none
  *************************************************************************/
 void initFaultMode( void )
@@ -47,21 +52,25 @@
 /*********************************************************************//**
  * @brief
  * The transitionToFaultMode function prepares for transition to fault mode.
- * @details
- * Inputs : none
- * Outputs : none
+ * @details Inputs: none
+ * @details Outputs: none
  * @return none
  *************************************************************************/
 void transitionToFaultMode( void )
 {
+    // Publish POST failure status to UI if fault triggered in Init/POST mode
+    if ( DG_MODE_INIT == getPreviousOperationMode() )
+    {
+        // Broadcast final POST failed
+        sendPOSTFinalResult( FALSE );
+    }
 }
 
 /*********************************************************************//**
  * @brief
  * The execFaultMode function executes the fault mode state machine.
- * @details
- * Inputs : none
- * Outputs : Fault mode state machine executed
+ * @details Inputs: none
+ * @details Outputs: Fault mode state machine executed
  * @return current state of fault mode
  *************************************************************************/
 U32 execFaultMode( void )
@@ -84,14 +93,47 @@
 /*********************************************************************//**
  * @brief
  * The getCurrentFaultState function returns the current state of the fault mode.
- * @details
- * Inputs : faultState
- * Outputs : none
+ * @details Inputs: faultState
+ * @details Outputs: none
  * @return current state of fault mode
  *************************************************************************/
 DG_FAULT_STATE_T getCurrentFaultState( void )
 {
     return faultState;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The deenergizeActuators function sets all the actuators to reset and
+ * de-energized state.
+ * @details Inputs: none
+ * @details Outputs: none
+ * @return none
+ *************************************************************************/
+void deenergizeActuators( void )
+{
+    // Turn off the UV reactors
+    turnOffUVReactor( INLET_UV_REACTOR );
+    turnOffUVReactor( OUTLET_UV_REACTOR );
+
+    // De-energize all the valves
+    setValveState( VPI, VALVE_STATE_CLOSED );
+    setValveState( VBF, VALVE_STATE_CLOSED );
+    setValveState( VSP, VALVE_STATE_CLOSED );
+    setValveState( VPD, VALVE_STATE_DRAIN_C_TO_NO );
+    setValveState( VPO, VALVE_STATE_NOFILL_C_TO_NO );
+    setValveState( VDR, VALVE_STATE_DRAIN_C_TO_NO );
+    setValveState( VRC, VALVE_STATE_DRAIN_C_TO_NO );
+    setValveState( VRO, VALVE_STATE_R1_C_TO_NO );
+    setValveState( VRD, VALVE_STATE_R2_C_TO_NO );
+    setValveState( VRI, VALVE_STATE_R1_C_TO_NO );
+    setValveState( VRF, VALVE_STATE_R2_C_TO_NO );
+
+    //TODO add the composition pumps
+    signalROPumpHardStop();
+    signalDrainPumpHardStop();
+    stopPrimaryHeater();
+    stopTrimmerHeater();
+}
+
 /**@}*/