Index: firmware/App/Controllers/Fans.c
===================================================================
diff -u -r9490539a39d2bfd8d40558f3c05b09b48f041e6c -rede368b67b0aecd60a9d90546eca353eb6f86e58
--- firmware/App/Controllers/Fans.c	(.../Fans.c)	(revision 9490539a39d2bfd8d40558f3c05b09b48f041e6c)
+++ firmware/App/Controllers/Fans.c	(.../Fans.c)	(revision ede368b67b0aecd60a9d90546eca353eb6f86e58)
@@ -479,7 +479,7 @@
     for ( fan = FAN_INLET_1; fan < NUM_OF_FANS_NAMES; fan++ )
     {
         rpm                 = getMeasuredFanRPM( fan );
-        isFanRPMOutOfRange |= ( ( fabs( rpm - fansMinAllowedRPM ) < NEARLY_ZERO ) || ( fabs( rpm - fansMaxAllowedRPM ) < NEARLY_ZERO ) ? TRUE : FALSE );
+        isFanRPMOutOfRange |= ( ( rpm < fansMinAllowedRPM ) || ( ( rpm > fansMaxAllowedRPM ) ) ? TRUE : FALSE );
     }
 
     // If the fans alarm has been raised already, do not raise again