Index: leahi_dialin/dd/modules/records.py
===================================================================
diff -u -r26425a403843bb483d0a2d73ec9c2c0e9d9c047f -raf9b4577e642d3dbf476bddc091fb62251c5bf55
--- leahi_dialin/dd/modules/records.py	(.../records.py)	(revision 26425a403843bb483d0a2d73ec9c2c0e9d9c047f)
+++ leahi_dialin/dd/modules/records.py	(.../records.py)	(revision af9b4577e642d3dbf476bddc091fb62251c5bf55)
@@ -1092,14 +1092,18 @@
         payload_content = b''
         if msg_id == MsgIds.MSG_ID_UI_DD_NVM_SET_CAL_D12_PUMP_REQUEST:
             payload_content += float_to_bytearray(dialysate_pump_target_speed)
-        payload_content += float_to_bytearray(fourth_order_coeff)
-        payload_content += float_to_bytearray(third_order_coeff)
-        payload_content += float_to_bytearray(second_order_coeff)
-        payload_content += float_to_bytearray(gain)
-        payload_content += float_to_bytearray(offset)
+        else:
+            payload_content += float_to_bytearray(fourth_order_coeff)
+            payload_content += float_to_bytearray(third_order_coeff)
+            payload_content += float_to_bytearray(second_order_coeff)
+            payload_content += float_to_bytearray(gain)
+            payload_content += float_to_bytearray(offset)
         payload_content += integer_to_bytearray(calibration_time)
         payload_content += unsigned_short_to_bytearray(self.crc16(payload_content))
-        payload = payload_sensor + payload_content
+        if msg_id in [MsgIds.MSG_ID_UI_DD_NVM_SET_CAL_D12_PUMP_REQUEST, MsgIds.MSG_ID_UI_DD_NVM_SET_CAL_D48_PUMP_REQUEST]:
+            payload = payload_content
+        else:
+            payload = payload_sensor + payload_content
 
         sensor_type = ''
         if msg_id == MsgIds.MSG_ID_UI_DD_NVM_SET_CAL_PRESSURE_SENSOR_REQUEST: