Index: dialin/common/dg_defs.py
===================================================================
diff -u -rb85f0e224e74d44979c955528b0c81935710a189 -re3ad27490f27a84efa4d2a79ce730165ccdfd2e2
--- dialin/common/dg_defs.py	(.../dg_defs.py)	(revision b85f0e224e74d44979c955528b0c81935710a189)
+++ dialin/common/dg_defs.py	(.../dg_defs.py)	(revision e3ad27490f27a84efa4d2a79ce730165ccdfd2e2)
@@ -35,6 +35,12 @@
 
 
 @unique
+class DGFaultStates(DialinEnum):
+    DG_FAULT_STATE_START = 0
+    NUM_OF_DG_FAULT_STATES = 1
+
+
+@unique
 class DGStandByModeStates(DialinEnum):
     DG_STANDBY_MODE_STATE_START = 0                             # Start standby mode state
     DG_STANDBY_MODE_STATE_IDLE = 1                              # Idle standby mode state
Index: dialin/dg/events.py
===================================================================
diff -u -rb85f0e224e74d44979c955528b0c81935710a189 -re3ad27490f27a84efa4d2a79ce730165ccdfd2e2
--- dialin/dg/events.py	(.../events.py)	(revision b85f0e224e74d44979c955528b0c81935710a189)
+++ dialin/dg/events.py	(.../events.py)	(revision e3ad27490f27a84efa4d2a79ce730165ccdfd2e2)
@@ -39,7 +39,8 @@
                                        DGOpModes.DG_MODE_DRAI.name: DGDrainModeStates,
                                        DGOpModes.DG_MODE_FLUS.name: DGFlushStates,
                                        DGOpModes.DG_MODE_HEAT.name: DGHeatDisinfectStates,
-                                       DGOpModes.DG_MODE_CHEM.name: DGChemicalDisinfectStates}
+                                       DGOpModes.DG_MODE_CHEM.name: DGChemicalDisinfectStates,
+                                       DGOpModes.DG_MODE_FAUL.name: DGFaultStates}
 
         # Loop through the list of the DG events enums and initial the event dictionary. Each event is a key in the
         # dictionary and the value is a list.