Index: firmware/App/Controllers/BalancingChamber.c
===================================================================
diff -u -r12929ac400de74684371b01b962926f868922448 -r2245e17875668a9326a5f5155a56747378e139e9
--- firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision 12929ac400de74684371b01b962926f868922448)
+++ firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision 2245e17875668a9326a5f5155a56747378e139e9)
@@ -404,7 +404,7 @@
     F32 bicarbVolume      = getF32OverrideValue( &bicarbDoseVolume );
 
     // Check fresh and spent dialysate pressure in range or BC switch only flag set
-#ifdef __BC_PRESSURE_ALARM__
+#ifndef __BC_PRESSURE_ALARM__
     if ( 1 )
 #else
     if ( ( ( freshDialPressure >= FRESH_DIAL_PRESSURE_MIN_PSIG ) && ( freshDialPressure <= FRESH_DIAL_PRESSURE_MAX_PSIG ) ) &&
@@ -597,7 +597,7 @@
     F32 bicarbVolume      = getF32OverrideValue( &bicarbDoseVolume );
 
     // Check fresh and spent dialysate pressure in range
-#ifdef __BC_PRESSURE_ALARM__
+#ifndef __BC_PRESSURE_ALARM__
     if ( 1 )
 #else
     if ( ( ( freshDialPressure >= FRESH_DIAL_PRESSURE_MIN_PSIG ) && ( freshDialPressure <= FRESH_DIAL_PRESSURE_MAX_PSIG ) ) &&