I have a Krups XP7240 Expresso machine, I have just changed the filter, run the self diagnostics and an error code 9 has appeared, suggesting I need to contact the service agent. Please help
After I changed piston sealing I get the same error 09. It was caused by missing connection to the thermoblock temperature sensor. In my case both connectors for thermocouple were cracked. They are located directly on the body of thermoblock, below two fuses, covered by rubber housing. After I solder them again on the position error 09 disappeared. Unfortunately it is necessary to open at least front panel of the machine. Moreover I tink that there is also important to save polarity of those two cables.
Krups
Your temperature sensor switch is off. God Bless
Joseph
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