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You should also read the documentation for your own answers. Download documentation for this product here.
How do I reset my machine to factory settings?
1. With the machine OFF, press and hold down the Lungo button for 5 seconds. 2. LEDs will blink fast 3 times to confirm machine has been reset to factory settings. 3. LEDs will then continue to blink normally, as heating up, until ready. Read Page 14 User manual: https://manualsfile.com/download/mx0nn8qdf.html
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