Breville/ Sage Barista Touch - ER05 ERROR FIX This kit is for the Breville and Sage Barista Touch coffee machine. If you get error code ER05 on your Sage touch coffee machine, this is because your NTC milk sensor has failed. Product Details Fast worldwide shipping Genuine Sage/Breville part Breville NTC Base Assembly (BES880BS) Fixes the ER05 error Part No. SP0024387 / SP0102952 Old Part No. SP0022904 Fits the following machines: BES880 SES880 Sage barista touch Sage barista touch impress Breville barista touch Bambino SES500 BES500 How to Fix Error Message ER05 The touch screen on your machine will be giving the following message: Start Up errorPlease contact Sage customer supportAn error has occurred during start-upError Code:ER05 How do you fix the ER05 error on your Breville/Sage espresso machine? This issue has a simple solution if you are using the genuine Sage part. The video below shows a step by step guide on how to replace your sensor in your own home using only a screwdriver. Here is our video: how to replace your NTC milk sensor