Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -rb31eee6a3b7c95cf1392ad2cef7b7f9775fb7bd1 -r427b37ad929a8d88b5fcb9ae21a4f4146ffd2fef
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision b31eee6a3b7c95cf1392ad2cef7b7f9775fb7bd1)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 427b37ad929a8d88b5fcb9ae21a4f4146ffd2fef)
@@ -960,9 +960,14 @@
 
     if ( TRUE == fillReservoirOneStartRequested )
     {
-        fillReservoirOneStartRequested = FALSE;
-        cmdSetDGActiveReservoir( DG_RESERVOIR_2 );
-        state = PRE_TREATMENT_RESERVOIR_MGMT_DRAIN_CMD_STATE;
+        DG_SWITCH_RSRVRS_CMD_T rsrvrCmd;
+
+        rsrvrCmd.reservoirID            = (U32)DG_RESERVOIR_2;
+        rsrvrCmd.useLastTrimmerHeaterDC = FALSE;
+        fillReservoirOneStartRequested  = FALSE;
+        state                           = PRE_TREATMENT_RESERVOIR_MGMT_DRAIN_CMD_STATE;
+
+        cmdSetDGActiveReservoir( &rsrvrCmd );
     }
 
     return state;
@@ -1167,12 +1172,22 @@
                 else
 #endif
                 {
+                    DG_SWITCH_RSRVRS_CMD_T rsrvrCmd;
+
+                    rsrvrCmd.reservoirID                     = (U32)DG_RESERVOIR_1;
+                    rsrvrCmd.useLastTrimmerHeaterDC          = FALSE;
                     reservoirFlushedStatus[ DG_RESERVOIR_1 ] = TRUE;
+                    cmdSetDGActiveReservoir( &rsrvrCmd );
                 }
             }
             else
             {
+                DG_SWITCH_RSRVRS_CMD_T rsrvrCmd;
+
+                rsrvrCmd.reservoirID                     = (U32)DG_RESERVOIR_2;
+                rsrvrCmd.useLastTrimmerHeaterDC          = FALSE;
                 reservoirFlushedStatus[ DG_RESERVOIR_2 ] = TRUE;
+                cmdSetDGActiveReservoir( &rsrvrCmd );
             }
         }
     }