There is an error 4 so It will not brew unless I bypass by hitting the brew immediately after machine heats up. Coffee is hot and no problem except for the error 4 light is on.
SOURCE: Our Jura coffee machine S9 model has error message
Hi, Printed below is the fault for Error 4:
STEAM: Temperature sensor notify “value above tolerance”
I hope this helps.
Alison, Uno Coffee Company
SOURCE: Jura Capresso Impressa S9- no steam
I had a similar problem. I took off the side and rear cover, followed the hose that comes from the steam wand to the rear of hte unit. It enters a solenoid made by ACL Italy. I dismantled the solenoid unit by disconnecting the two hose ends, removing the relay, and unscrewing the plunger unit (vertical pipe). The plunger unit internals should move freely up and down like a piston in a cylinder , powered by a small spring. In my unit, this plunger was calcified and seized. I soaked it in boiling water and pressed on it gently several times and it unstuck. I put it all back together again and presto! Good luck
SOURCE: Capresso jura S9 IMPRESA
hi did you ever fix this problem, i too have this - i know it is because of coffee sludge built up in the system but i want to know how to open the machine and give it a good clean - cant seem to work out how to do it though.
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