Index: firmware/App/Services/FpgaDD.c
===================================================================
diff -u -r046bc2b62cf942b7e846fa5bff698b94238edf24 -r2ca9480daaa27c14f80f15aad3488cecec56fe2d
--- firmware/App/Services/FpgaDD.c	(.../FpgaDD.c)	(revision 046bc2b62cf942b7e846fa5bff698b94238edf24)
+++ firmware/App/Services/FpgaDD.c	(.../FpgaDD.c)	(revision 2ca9480daaa27c14f80f15aad3488cecec56fe2d)
@@ -540,6 +540,7 @@
     U08 fpgaConSensD43Control;                  ///< Reg 118. Conductivity/Temperature Sensors D43 Control registers
     U16 fpgaConSensD43_Addrs;                   ///< Reg 119. D43 Initialization Address register
     U32 fpgaConSensD43_Data_In;                 ///< Reg 121. D43 Initialization data register
+    U08 fpgaNotUsed_4;                          ///< Reg 125. Not used
     U08 unusedRegister3;                        ///< Reg 125. Unused register 3
     U32 fpgaD11PumpSpeed;                       ///< Reg 126. Acid Concentrate Pump Speed/RPM Control
     U32 fpgaD10PumpSpeed;                       ///< Reg 130. BiCarb Concentrate Pump Speed/RPM Control