Index: firmware/App/Controllers/Fans.c
===================================================================
diff -u -r4df8828df03ee996540084c57f9b46c0febc1e03 -rd0f8958c30ff294da7e5088b89226f0ac30f3a36
--- firmware/App/Controllers/Fans.c	(.../Fans.c)	(revision 4df8828df03ee996540084c57f9b46c0febc1e03)
+++ firmware/App/Controllers/Fans.c	(.../Fans.c)	(revision d0f8958c30ff294da7e5088b89226f0ac30f3a36)
@@ -18,6 +18,7 @@
 #include <math.h> // For fabs
 #include "etpwm.h"
 
+#include "Battery.h"
 #include "Fans.h"
 #include "FPGA.h"
 #include "PersistentAlarm.h"
@@ -412,11 +413,14 @@
     F32 fansMinAllowedRPM = fansNominalRPM - ( fansNominalRPM * FANS_MIN_RPM_OUT_OF_RANGE_TOL );
     F32 fansMaxAllowedRPM = fansNominalRPM + ( fansNominalRPM * FANS_MAX_RPM_OUT_OF_RANGE_TOL );
 
-    // Loop through the fans and make sure the each of them have RPM in range
-    for ( fan = FAN_INLET_1; fan < NUM_OF_FANS_NAMES; fan++ )
+    if ( isACPowerLost() != TRUE )
     {
-        rpm                 = getMeasuredFanRPM( fan );
-        isFanRPMOutOfRange |= ( ( rpm < fansMinAllowedRPM ) || ( rpm > fansMaxAllowedRPM ) ? TRUE : FALSE );
+        // Loop through the fans and make sure the each of them have RPM in range
+        for ( fan = FAN_INLET_1; fan < NUM_OF_FANS_NAMES; fan++ )
+        {
+            rpm                 = getMeasuredFanRPM( fan );
+            isFanRPMOutOfRange |= ( ( rpm < fansMinAllowedRPM ) || ( rpm > fansMaxAllowedRPM ) ? TRUE : FALSE );
+        }
     }
 
     // If the fans alarm has been raised already, do not raise again