Index: firmware/App/Controllers/ROPump.c
===================================================================
diff -u -r5c53288436774f0cf6a24132ace29a64a66d619d -r0f4fbb2a56cdbe35dcedd9cad23867fd7248f86e
--- firmware/App/Controllers/ROPump.c	(.../ROPump.c)	(revision 5c53288436774f0cf6a24132ace29a64a66d619d)
+++ firmware/App/Controllers/ROPump.c	(.../ROPump.c)	(revision 0f4fbb2a56cdbe35dcedd9cad23867fd7248f86e)
@@ -316,7 +316,7 @@
 void signalROPumpHardStop( void )
 {
     stopROPump();
-    targetROPumpFlowRateLPM          = 0;
+    targetROPumpFlowRateLPM       = 0;
     roPumpState                   = RO_PUMP_OFF_STATE;
     roPumpPWMDutyCyclePct         = 0.0;
     roPumpOpenLoopTargetDutyCycle = 0.0;
@@ -931,6 +931,14 @@
         {
             result = setROPumpTargetFlowRateLPM( flow, MAX_ALLOWED_PRESSURE_PSI );
         }
+
+        // If the flow is less than a very small number, it means 0 LPM flow rate has been requested
+        // and this is coming from Dialin so the user requested the pump to stop
+        if ( fabs( flow ) < NEARLY_ZERO )
+        {
+            signalROPumpHardStop();
+            result = TRUE;
+        }
     }
 
     return result;