Index: firmware/App/Controllers/UVReactors.c
===================================================================
diff -u -r23ebb5812ecd93ca42999259f7f62f46fd482ebd -r2d4653fb5bd6b087b5e17d143b55249b7142fa07
--- firmware/App/Controllers/UVReactors.c	(.../UVReactors.c)	(revision 23ebb5812ecd93ca42999259f7f62f46fd482ebd)
+++ firmware/App/Controllers/UVReactors.c	(.../UVReactors.c)	(revision 2d4653fb5bd6b087b5e17d143b55249b7142fa07)
@@ -383,8 +383,14 @@
  *************************************************************************/
 static UV_REACTOR_STATE_T handleUVReactorStateOff( UV_REACTORS_T reactor )
 {
-    UV_REACTOR_STATE_T state = UV_REACTOR_STATE_OFF;
+    UV_REACTOR_STATE_T state      = UV_REACTOR_STATE_OFF;
+    ALARM_ID_T reactorHealthAlarm = ( INLET_UV_REACTOR == reactor ? ALARM_ID_DG_INLET_UV_REACTOR_NOT_HEALTHY : ALARM_ID_DG_OUTLET_UV_REACTOR_NOT_HEALTHY );
+    ALARM_ID_T reactorFlowAlarm   = ( INLET_UV_REACTOR == reactor ? ALARM_ID_DG_INLET_UV_REACTOR_ON_WITH_NO_FLOW : ALARM_ID_DG_OUTLET_UV_REACTOR_ON_WITH_NO_FLOW );
 
+    // When the reactor is off, clear its health and on with no flow alarms
+    checkPersistentAlarm( reactorHealthAlarm, FALSE, 0.0F, 0.0F );
+    checkPersistentAlarm( reactorFlowAlarm, FALSE, 0.0F, 0.0F );
+
     // Set the health status to be off. When the reactor is off, it does not report its health status
     reactorsStatus[ reactor ].healthStatus.data = (U32)UV_REACTOR_OFF;