Index: firmware/App/Controllers/LoadCell.c
===================================================================
diff -u -r8e76e184113c751f5da2b950b7866c3dfd2cf1ad -r841488453af37620e44b4b9bf3126bf98602fe0c
--- firmware/App/Controllers/LoadCell.c	(.../LoadCell.c)	(revision 8e76e184113c751f5da2b950b7866c3dfd2cf1ad)
+++ firmware/App/Controllers/LoadCell.c	(.../LoadCell.c)	(revision 841488453af37620e44b4b9bf3126bf98602fe0c)
@@ -370,13 +370,13 @@
     if ( ( DG_MODE_SERV == getCurrentOperationMode() ) && ( loadcells[ loadCellID ].autoCalOffset <= NEARLY_ZERO ) )
     {
         // In service mode, some of the tests are done when the auto call offset is needed and some when is not needed.
-        // Once the tare command is issued, we need an auto cal value other than 0 otherwise the tare will fail since we will be at least 1700 grams
+        // Once the tare command is issued, an auto cal value other than 0 is needed otherwise the tare will fail since the weight is at least 1700 grams
         // which is the weight of the empty reservoirs. So for that matter, if the reservoirs have not been tared in the service mode meaning
         // that the auto cal offset is zero, use the default values from the cal records.
         CAL_DATA_DG_RESERVOIRS_T rsrvr = ( ( LOAD_CELL_RESERVOIR_1_PRIMARY == loadCellID ) || ( LOAD_CELL_RESERVOIR_1_BACKUP == loadCellID ) ?
                                              CAL_DATA_RSRVR_1 : CAL_DATA_RSRVR_2 );
 
-        loadcells[ loadCellID ].autoCalOffset = reservoirsCalRecord.reservoir[ rsrvr ].rsrvrUnfilledWeight;
+        weight -= reservoirsCalRecord.reservoir[ rsrvr ].rsrvrUnfilledWeight;
     }
 
     // Check if the load cell is being tared for the first time