General Milk Module Errors - Nespresso Momento 120 Service Manual

8.3 General Milk Module errors

Please refer to the specific error list on the Nespresso extranet for a complete listing
of specific error numbers and their meaning.
Always check for an available firmware update first.
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• Check the error message shown on the screen for possible root cause.
• See "8.3.1 Safety Stop Mode" on page 56.
• Reboot the machine.
Milk too Warm
• Fresh cold milk is inserted into milk tank. Machine is switched on and the fridge
still warm. The machine needs approximately 15 minutes to completely cool
down.
• If the temperature is not dropping, check if the fridge walls are cold.
• Check the function of the fridge functions in the diagnostic tool V1 (compressor
running y/n and fridge temperature measured)
• If no: check the connection of the fridge compressor ant the connector of the
fridge temperature sensor.
Milk Temperature -20°C
• If the milk temperature on the GUI is shown as exactly -20°C, a disconnected or
defective sensor plug might be the reason
Liquid Flows the Wrong Way
• Check the connection of all tubes.
• Check the function of all valves in the diagnostic tool V2 (not yet available).
Milk Module Is Unplugged
• The milk module is not held in position with the screw.
• Micro switches are possibly defective.
Milk tank not detected
• Make sure that the milk tank is well positioned.
• Check if there is enough milk in the tank.
• Clean the interior of the fridge and the milk tank and remove ice from the fridge.
• Check the function of the sensor by placing the hand in front of the milk level
sensor, the hand should be detected as full milk tank.
• Check the connector of the milk level sensor for all kind of residuals and make
sure it is well connected.
Milk Freeze in Milk tank
• Make sure that the milk tank is well positioned.
• Clean the interior of the fridge and the milk tank and remove ice from the fridge.
• Check the connector of the milk temperature sensor for all kind of residuals and
make sure it is well connected.
Version 1.4 EN
Troubleshooting
Momento 120 Service Manual 55