When using your Krups super-automatic coffee maker, you may encounter different patterns of lights on the power button and other indicators, which can sometimes be confusing. However, these lights do not necessarily indicate a problem but effectively communicate between the machine and the user.
In the following sections, I will guide you through the different lighting sequences you may encounter, providing a more comprehensive understanding of their meaning. This knowledge will help you better interpret and resolve any situation while preparing your favorite coffee.
The power on/off button illuminated
The light on the power on/off button remains steady after turning it on.
Cause:
- The Krups is ready to use.
- The water tank is empty.
- Check that the water tank is available and not placed incorrectly.
The power on/off button is illuminated with a single flashing
The light on the power on/off button flashes continuously (single flashing).
Cause: The Krups performs a task, such as heating the thermoblock.
The power on/off button is illuminated with a double-flashing
The light on the power on/off button flashes irregularly (double flashing).
Cause: The Krups is in the process of brewing 2 cups of coffee.
Power on/off button with double flashing and coffee grounds drawer with single flashing
The light on the power on/off button flashes irregularly (double flashing), and the coffee grounds drawer light flashes steadily.
Cause: The Krups is brewing 2 cups of coffee, and you need to empty the coffee grounds drawer.
Power on/off button and coffee grounds drawer with a single flashing
The lights on the power on/off button and the coffee grounds drawer flash steadily (single flashing).
Causes:
- Empty the coffee grounds drawer.
- Empty the drip tray.
The power on/off button and coffee grounds drawer illuminated steadily
Cause: The coffee grounds drawer is not present or is incorrectly placed.
Power on/off button with single flashing and water tank with single flashing
Cause: The coffee cycle has stopped due to a lack of water. Fill the water tank to continue coffee preparation.
Power on/off button with double flashing and water tank with single flashing
Cause: The double coffee cycle has stopped due to a lack of water. Fill the water tank to continue coffee preparation.
Power on/off button with steady illumination and CLEAN light with a single flashing
Cause: A cleaning program is required. Consult here for instructions on how to perform it.
Power on/off button with single flashing and CLEAN light with steady illumination
Cause: Cleaning program: cleaning cycle in progress.
Power on/off button and coffee grounds drawer with single flashing, while CLEAN light remains steady
Cause: Cleaning phase: Empty the coffee grounds tray.
Power on/off button with steady illumination, while CALC light with single flashing
Cause: A descaling program is required.
Power on/off button with single flashing, while CALC light with steady illumination
Cause: Descaling program: Descaling cycle in progress.
Power on/off button and water tank with single flashing, while CALC light with steady illumination
Cause: Rinse cycles of the descaling program are in progress. Request to empty and refill the water tank.
Power on/off button with steady illumination, while CALC, CLEAN, and coffee grounds drawer lights flash steadily
Cause: Empty the coffee grounds drawer before starting a long rinse.
Power on/off button with steady illumination, while CALC and CLEAN lights with single flashing
Cause: A long rinse is required.
Power on/off button with single flashing, while CALC and CLEAN lights with steady illumination
Cause: Long rinse in progress.
Lights on the coffee grounds drawer, water tank, CLEAN, and CALC flash steadily
Cause: Operational anomaly. Visit this article for a possible solution.
Lights on coffee grounds drawer, water tank, CLEAN, and CALC flashing alternately
Cause: Disconnection of the device from the current power supply. Perhaps your coffee maker needs a reset; all the information is here.
