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The indicator light of my SENSEO® coffee machine flashes

Updated on 2022-06-27
If the indicator light flashes rapidly go to Section A
If the indicator light flashes slowly go to Section B
For SENSEO® Switch see Section C
For  SENSEO® Original Plus, see Section D.

Section A: Indicator light flashes rapidly

If the indicator light of your coffee machine is flashing rapidly, check the following solutions:

Too little water
Make sure the water in the tank is filled above the minimum level

Water reservoir is not place correctly
Check the positioning of the water reservoir to make sure it is attached correctly to the coffee machine. Refer to your user manual for further instructions. 

Float fell in the water
Check if the float got stuck in the water reservoir. Empty the water reservoir and shake it a few times to release the float (see image for an example of the water reservoir float).

Water reservoir is dirty
Clean the water reservoir with hot water and some washing-up liquid.

Room temperature is too low
Make sure that you place your SENSEO® in a room where the temperature is above 10°C. Let the coffee machine adjust 1 or 2 hours and then try again.

If the above suggestions did not help to solve your problem, please contact us.
water reservoir float senseo

Section B: Indicator light flashes slowly

A slow flashing indicator light means that your SENSEO® coffee machine is still heating up. Please contact us if the indicator light continues flashing slowly for more than 90 seconds.

Section C: Flashing lights on SENSEO® Switch

CALC light continuously on or flashing when brewing a coffee 
It is time to descale your coffee machine. Please follow the descaling instructions here or check your user manual.

All lights are blinking/CALC light and 1-cup & 2-cups button are blinking
It indicates that the machine is in descaling mode. Complete the descaling process and the lights will stop flashing. 

One of the coffee button lights starts flashing rapidly 
Check causes and solutions below:
  1. Check and see if the water level in the tank is above the MIN indication. If not, fill the water tank.
  2. Make sure that the water tank is correctly placed.
  3. It could be that the float got stuck in the water tank. Empty the water tank and shake it a few times to release the float. Clean the water tank and try again.
One of the SENSEO coffee button lights is flashing slowly 
It indicates that your SENSEO coffee machine is still heating up. If the indicator light continues flashing slowly for more than 90 seconds, please contact our Consumer Care Agents in your country.

The jug button light flashes slowly 
This means that your SENSEO Switch is preparing filter coffee. Depending on the number of cups, this can take up to 9 minutes.

If the above suggestions did not help to solve your problem, please contact us.

Section D: Flashing lights on SENSEO® Original Plus

If the lights of the 1-cup and 2-cup buttons on your SENSEO® Original Plus are flashing simultaneously, this means that limescale has built up in the machine. 

To resolve the issue, simply follow the descaling procedure for your appliance.

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