Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -rf46193ce4cce48dee728dd93235e0452e8fe1963 -ref698cbac7380448487c7b13c5484de0c89d1d5e
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision f46193ce4cce48dee728dd93235e0452e8fe1963)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision ef698cbac7380448487c7b13c5484de0c89d1d5e)
@@ -376,7 +376,7 @@
         case PRIME_RESERVOIR_MGMT_WAIT_FOR_FILL_CMD_RESP:
             if ( DG_CMD_START_FILL == dgCmdResp.commandID )
             {
-                if ( FALSE == dgCmdResp.rejected )
+                if ( FALSE == dgCmdResp.rejected && DG_MODE_FILL == dgOpMode )
                 {
                     currentReservoirMgmtState = PRIME_RESERVOIR_MGMT_FILL_STATE;
                 }