Power off the machine again. Remove the JP4 jumper you installed. This is important because leaving the jumper on may prevent some telemetry features from working. The machine now remembers that password protection is disabled in software. Reassemble.
Set individual temperatures for each group to optimize for different coffee blends.
Troubleshooting the La Cimbali M100 Password: Accessing Settings and Technical Menus
"No, no, no," Elena said. She looked at the machine. She knew the M100 interface inside and out. She knew that the "fixed" password often reverted to a specific factory default if the user input was confused during a specific setup phase. But Marco had set a custom one.