Index: firmware/App/Services/FpgaTD.c
===================================================================
diff -u -rf3a26c402a2ec88f5ee7dbb8eb7127ab5b4692aa -r961784c895cb8f551a2623cd02dcbfe42d04b7c2
--- firmware/App/Services/FpgaTD.c	(.../FpgaTD.c)	(revision f3a26c402a2ec88f5ee7dbb8eb7127ab5b4692aa)
+++ firmware/App/Services/FpgaTD.c	(.../FpgaTD.c)	(revision 961784c895cb8f551a2623cd02dcbfe42d04b7c2)
@@ -59,7 +59,7 @@
 
 #define FPGA_BACKUP_ALARM_AUDIO_CONVERT  0.4F                                   ///< Converts backup (piezo) alarm audio ADC volts to amps.
 
-#define FRONT_DOOR_SWITCH_MASK           0x0010                                 ///< Front door switch bit mask. Bit 4 of the GPIO register.
+#define H9_SWITCH_MASK                   0x0010                                 ///< Front door switch bit mask. Bit 4 of the GPIO register.
 #define PUMP_TRACK_SWITCH_MASK           0x0020                                 ///< Pump track switch bit mask. Bit 5 of the GPIO register.
 
 #define FPGA_AIRTRAP_LEVEL_LOW_H17_MASK  0x0008                                 ///< Bit mask for air trap lower level sensor.
@@ -979,7 +979,7 @@
 {
     BOOL result = TRUE;
 
-    if ( ( fpgaSensorReadings.GPIOReg & FRONT_DOOR_SWITCH_MASK ) != 0 )
+    if ( ( fpgaSensorReadings.GPIOReg & H9_SWITCH_MASK ) != 0 )
     {
         result = FALSE;
     }