Index: firmware/App/Drivers/Battery.c
===================================================================
diff -u -r5e3e9943759f429fc2213db848475c07ca6b79a5 -r885cb03f6618d6556a53e834691f2e050ba90593
--- firmware/App/Drivers/Battery.c	(.../Battery.c)	(revision 5e3e9943759f429fc2213db848475c07ca6b79a5)
+++ firmware/App/Drivers/Battery.c	(.../Battery.c)	(revision 885cb03f6618d6556a53e834691f2e050ba90593)
@@ -37,6 +37,7 @@
 #define BATTERY_PACK_REL_STATE_OF_CHARGE_CMD        0x0D                    ///< Command to get battery pack relative state of charge.
 #define BATTERY_PACK_STATUS_CMD                     0x16                    ///< Command to get battery pack status.
 
+#define BATTERY_PACK_ERROR_BITS                     0x0F                    ///< Error codes are in the first byte.
 #define BATTERY_PACK_MIN_CHARGE_PCT                 50                      ///< Minimum battery pack state of charge in percentage.
 
 #define BATTERY_COMM_TIME_OUT_MS                    1                       ///< Battery communication time out in ms.
@@ -143,7 +144,7 @@
 
             if ( TRUE == getBatteryData( BATTERY_PACK_SLAVE_ADDRESS, BATTERY_PACK_STATUS_CMD, &batteryPackStatus ) )
             {
-                if ( 0 != batteryPackStatus )
+                if ( 0 != ( batteryPackStatus & BATTERY_PACK_ERROR_BITS ) )
                 {
                     SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_BATTERY_PACK_ERROR_DETECTED, batteryPackStatus );
                 }