How to Fix Jura S7, S8, S9, S90, S95, X90, X95 malfunction 8 error

****Always disconnect the power cord before working on the machine**** There are few other reasons if your Jura Impressa S9 or similar models start having malfunction 8 error. In my case my coffee machine was just making loud clicking noises and then malfunction 8 error was appearing. After checking all the components I noticed my power supply wasn&giving enough power to PCB. I managed to get similar power supply and once again machine is back to life. One of the common reason for malfunction 8 is due to the faulty brew unit in that case you need to get access to brew unit and service or replace it.