Index: firmware/App/DGCommon.h
===================================================================
diff -u -r9cfc69328f6b54a6b8e3737dfa24db607105cdd9 -r195f895cd5f580b448db5a251ab7a7f40ba0f40f
--- firmware/App/DGCommon.h	(.../DGCommon.h)	(revision 9cfc69328f6b54a6b8e3737dfa24db607105cdd9)
+++ firmware/App/DGCommon.h	(.../DGCommon.h)	(revision 195f895cd5f580b448db5a251ab7a7f40ba0f40f)
@@ -52,7 +52,7 @@
 //    #define DISABLE_RO_RATIO_CHECK          1
     #define DISABLE_COND_SENSOR_CHECK       1
     #define DISABLE_MIXING                  1
-    #define DISABLE_WATER_QUALITY_CHECK     1
+//    #define DISABLE_WATER_QUALITY_CHECK     1
     #define DISABLE_RTC_CONFIG              1
     //#define V_2_SYSTEM                      1
     #define THD_USING_TRO_CONNECTOR         1