Index: firmware/App/Modes/ModeDrain.c
===================================================================
diff -u -r05019ca03114d75099dd3ae6e09f776bd8a2c46e -r9490539a39d2bfd8d40558f3c05b09b48f041e6c
--- firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision 05019ca03114d75099dd3ae6e09f776bd8a2c46e)
+++ firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision 9490539a39d2bfd8d40558f3c05b09b48f041e6c)
@@ -107,6 +107,9 @@
     {
         setValveStateDelayed( VRD2, VALVE_STATE_OPEN, DELAY_RES_DRAIN_VALVE_MS );
     }
+
+    initDrainParameters( inactiveReservoir );
+
     // set initial actuator states
     setValveState( VDR, VALVE_STATE_DRAIN_C_TO_NO );
     setDrainPumpTargetRPMDelayed( TARGET_DRAIN_PUMP_RPM, DELAY_DRAIN_PUMP_MS );