Index: firmware/App/Services/TxParams.c
===================================================================
diff -u -r3b50c8c93152f00bb7c448b454388e9c09587106 -rf003eac4b2d64a8ac4593703ade39cc919edb33a
--- firmware/App/Services/TxParams.c	(.../TxParams.c)	(revision 3b50c8c93152f00bb7c448b454388e9c09587106)
+++ firmware/App/Services/TxParams.c	(.../TxParams.c)	(revision f003eac4b2d64a8ac4593703ade39cc919edb33a)
@@ -128,8 +128,8 @@
     { CRITICAL_DATA_TYPE_F32, {.sFlt=0.0},  {.sFlt=3.0},  {.sFlt=0.0}  }, // TREATMENT_PARAM_HEPARIN_DELIVERY_RATE
     { CRITICAL_DATA_TYPE_F32, {.sFlt=35.0}, {.sFlt=38.0}, {.sFlt=37.0} }, // TREATMENT_PARAM_DIALYSATE_TEMPERATURE
     { CRITICAL_DATA_TYPE_F32, {.sFlt=0.00}, {.sFlt=0.20}, {.sFlt=0.20} }, // TREATMENT_PARAM_ACID_CONCENTRATE_CONV_FACTOR  // TODO
-    { CRITICAL_DATA_TYPE_F32, {.sFlt=2.0},  {.sFlt=500.0},{.sFlt=50.0} }, // TREATMENT_PARAM_PRE_WEIGHT
-    { CRITICAL_DATA_TYPE_F32, {.sFlt=2.0},  {.sFlt=500.0},{.sFlt=50.0} }, // TREATMENT_PARAM_EST_TARGET_WEIGHT
+    { CRITICAL_DATA_TYPE_F32, {.sFlt=0.0},  {.sFlt=500.0},{.sFlt=50.0} }, // TREATMENT_PARAM_PRE_WEIGHT
+    { CRITICAL_DATA_TYPE_F32, {.sFlt=0.0},  {.sFlt=500.0},{.sFlt=50.0} }, // TREATMENT_PARAM_EST_TARGET_WEIGHT
     { CRITICAL_DATA_TYPE_F32, {.sFlt=0.0},  {.sFlt=8.0},  {.sFlt=0.0}  }, // TREATMENT_PARAM_UF_VOLUME
 };