Index: firmware/App/Controllers/ConcentratePumps.c
===================================================================
diff -u -r7f97b34440ff591f75dbedb9ae3284ced36e73b7 -rc63b57fe5c44f0d8e775b049d2869aad091cbba1
--- firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision 7f97b34440ff591f75dbedb9ae3284ced36e73b7)
+++ firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision c63b57fe5c44f0d8e775b049d2869aad091cbba1)
@@ -1416,7 +1416,7 @@
 
             if ( (CONCENTRATE_PUMPS_T)payload.pumpID < NUM_OF_CONCENTRATE_PUMPS )
             {
-                speedRangeCheck = ( payload.speed >= CONCENTRATE_PUMP_MIN_SPEED ) && ( payload.speed <= CONCENTRATE_PUMP_MAX_SPEED );
+                speedRangeCheck = ( ( payload.speed >= CONCENTRATE_PUMP_MIN_SPEED ) && ( payload.speed <= CONCENTRATE_PUMP_MAX_SPEED )? TRUE : FALSE );
 
                 // Handle start command
                 if ( ( TRUE == payload.startStop ) && ( TRUE == speedRangeCheck ) && ( payload.volume > 0.0 ) )