Index: firmware/App/Modes/ModeDrain.c
===================================================================
diff -u -rde91824d9790638e0a17fa0278d22a3f57ed28c3 -ra0f6f397d02c079dc742c8aa09a0d1ce990c0d4e
--- firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision de91824d9790638e0a17fa0278d22a3f57ed28c3)
+++ firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision a0f6f397d02c079dc742c8aa09a0d1ce990c0d4e)
@@ -134,6 +134,7 @@
         case DG_DRAIN_STATE_START:
             if ( TRUE == isDrainPumpOn() )
             {
+                resetReservoirsLowestWeight();
                 drainState = DG_DRAIN_STATE_DRAIN;
             }
             break;