Delonghi ECAM 23.120 Blinking Steam Button Issue

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Boot the machine in test mode

Put steam tap on 0
Plug the machine
Press and hold buttons "1 short coffee" and "steam" simultaneously
Switch the On/Off button on the back to 1
Release "1 coffee" and "steam" once the motor starts moving
See the ECAM23420 service manual ECAM23.420 service manual for details. This model is very similar to the 23.120.

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