Index: firmware/App/Modes/ModeFault.c
===================================================================
diff -u -ra85a030e1a424b6546c57e5e80f21500103e13ea -r67731d57db9a620418b3b848d8f75ff204902c36
--- firmware/App/Modes/ModeFault.c	(.../ModeFault.c)	(revision a85a030e1a424b6546c57e5e80f21500103e13ea)
+++ firmware/App/Modes/ModeFault.c	(.../ModeFault.c)	(revision 67731d57db9a620418b3b848d8f75ff204902c36)
@@ -188,7 +188,7 @@
     setValveStateDelayed( D40_VALV, VALVE_STATE_CLOSED, DELAY_VALVE_MS );
     setValveStateDelayed( D47_VALV, VALVE_STATE_CLOSED, DELAY_VALVE_MS );
     setValveStateDelayed( D3_VALV, VALVE_STATE_CLOSED, DELAY_VALVE_MS );
-    setValveStateDelayed( M4_VALV, VALVE_STATE_CLOSED, DELAY_VALVE_MS );
+    setValveStateDelayed( DD_M4_VALV, VALVE_STATE_CLOSED, DELAY_VALVE_MS );
 
     // De-energize Balancing chamber and Ultrafiltration valves
     for ( i = FIRST_BC_VALVE; i <= LAST_BC_VALVE; i++ )
@@ -245,7 +245,7 @@
     setValveStateDelayed( D40_VALV, VALVE_STATE_CLOSED, DELAY_VALVE_MS );
     setValveStateDelayed( D47_VALV, VALVE_STATE_CLOSED, DELAY_VALVE_MS );
     setValveStateDelayed( D3_VALV, VALVE_STATE_CLOSED, DELAY_VALVE_MS );
-    setValveStateDelayed( M4_VALV, VALVE_STATE_CLOSED, DELAY_VALVE_MS );
+    setValveStateDelayed( DD_M4_VALV, VALVE_STATE_CLOSED, DELAY_VALVE_MS );
 
     // De-energize portion of balancing chamber valves.
     setValveStateDelayed( D19_VALV, VALVE_STATE_CLOSED, DELAY_VALVE_MS );