We have a senseo HD 7810 coffee maker with a problem.
The indicator light continues to blink rapidly even if we have placed the water reservoir properly with enough water. We think it has to do with the small plastic filter at the back of the senseo that pushes the 'valve' of the water reservoir. Only if we push a few times at the filter, then the blinking disappears. A few weeks ago we applied a descaling of the unit with citric acid. What you suggest to do?
Re: The indicator light continues to blink rapidly
You are correct in thinking the problem is caused by the valve. Use a magnet to connect to the valve from the outside of the machine, slide the magnet very slowly upwards along the water level, the rapid flashing should stop and the water should begin to heat, if not try again as you have not connected the valve to the magnet
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Re: The indicator light continues to blink rapidly
1. If the Senseo blinks fast, then it is the float. If the float seems to move up and down easily then use a magnet on the left hand side where the float would be and see if it starts blinking slow and heats. If yes Then replace tank with new float. Fixed! If not. 2. Unplug and then take the back cover off and make sure the electronic magnet sensor is in Its plastic case and fully set in place. (Bottom left) If its is out of place Snap back into place or use glue. With cover off, plug it back in. (Don't touch anything on the inside! Electrical shock!) Turn on Hold a magnet against the sensor and see if it blinks slow. If it keeps flashing fast, replace the magnet sensor. Fixed! If not. 3. If it blinks slow and never stops blinking then check the voltage at the thermal fuse. (Right side of the holding tank) Take the back cover off then take the plastic cover off. (Don't touch anything on the inside! Electrical shock!) Turn on. If you have voltage at one side and not the other then replace it with, Thermal Fuse 206C, 120V, 15A, Type 155431. Loosen the metal band that holds it on. You may have to cut the wire from one side of the thermal fuse and crimp on a quick connect to that wire. Install new thermal fuse then reassemble. (Don't forget the plastic cover that goes over the thermal fuse.) Fixed! If not. 4. Check the heating element with an Ohm meter. Unplug and remove back cover. If you have zero or infinite ohms, The heating element may be burned out and may not be worth fixing. Buy a new one. Fixed! Good luck. VicFixx
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I guess it's the metal part in the water tank that makes contact with the machine when the water runs out. When you take the water tank off the Senseo it's in the bottom right corner. If you can't repair it, a spare water tank isn't that expensive.
Use the correct descaling agent
Only citric acid-based descalers are suitable for descaling the SENSEO
type of descaler descales the machine without damaging it. For the correct amount,
see under 'Descaling procedure' below. Each descaling mixture can be used only once.
After use, the descaling mixture is no longer active.
We advise you to use the special SENSEO
Read the instructions on the package of the descaling agent.
Never use a descaling agent based on mineral acids such as sulphuric acid,
hydrochloric acid, sulphamic acid and acetic acid (e.g. vinegar). These descaling
agents may damage your SENSEO
1 Mix 50 grams of citric acid with 1 litre of water in a measuring jug. Stir until
the powder is completely dissolved.
2 Fill the water reservoir up to the MAX indication with the descaler mixture.
Then put the water reservoir back into the coffee machine. (Fig. 3)
Note: Not all SENSEO
machine types have a water reservoir with a capacity of
1 litre. If you have a SENSEO
machine with a smaller water reservoir, repeat steps
2 to 6 with the remainder of the mixture without filling the water reservoir up to
the MAX indication.
3 Press on/off button 3. (Fig. 10)
The machine is ready for use when the indicator light lights up continuously.
4 Place the 1-cup holder h with a used coffee pod in it in the coffee machine.
Close the lid and make sure it is properly locked.
Note: Always put a used coffee pod in the pod holder when you descale the
machine. This pod serves as a 'filter' to prevent the sieve or hole in the pod holder
from getting clogged with scale residue.
5 Put a bowl with a capacity of at least 1500ml under the spout to collect the
descaling mixture (Fig. 8).
6 Press the 2-cup button hhand let the machine operate. Repeat this until
the water reservoir is empty. (Fig. 25)
Never interrupt the descaling process!
7 Repeat steps 1 to 6. Replace the used pod with another used pod to filter out
the scale residue.
Note: To descale properly, you have to use 2 litres of descaling mixture.
Never descale the SENSEO
coffee machine with the lid open. Make sure the lid is
8 Rinse the water reservoir with tap water. Fill the water reservoir up to the
MAX indication with tap water and repeat steps 3 to 6.
Note: Do not refill the water reservoir with used hot water or the used descaling
9 Fill the water reservoir with fresh tap water up to the MAX indication again
and repeat steps 3 to 6 once more.
Note: Always rinse the machine by letting it empty two full water reservoirs.
10 Remove the used pad and clean the pod holder after descaling to prevent the
sieve or hole in the centre from getting clogged.
my senseo did the same. i read on hear to clean magnet/float mechanism inside the water resevoir. i did this with a tooth-brush and soapy water. as you invert the empty water container you will see/hear the float slide up and down when clean. work a treat for me.
Either the little magnet in the reservoir is stuck (does it float when you slowly fill up the reservoir?), or the corresponding Reed relais doesn't properly respond to the magnets presence. The latter most likely requires technical attention.
Call senseo at 866-4-736-736 866-4-Senseo and describe the problem. it is the seaing mechanisim at the top brewwing portion that is loose, either you are not closing it right or the pressure is getting too high forthe seal.
if you have purchased or received it as a gift less than two years ago they will send a new one FREE.
Sounds like resevoir was not seated properly or something is in the resevoir. try pushing the pin on the bottom of the resevoir, do it over the sink, and see if water comes out. if tht works then its internal to the machine.
Call senseo at 866-4-736-736 866-4-Senseo and describe the problem.if you have purchased or received it as a gift less than two years ago they will send a new one FREE.
My husband found in ours that the little float was stuck over the sensor (the little patch) down in the reservoir. The float could not rise with the water, thus, the machine did not know that there was enough water available and it would not stop blinking. He took the dry reservoir out, turned it upside down and shook it! This worked for him, as it unstuck the float. He said that if that doesn't work, the thing is really stuck and you might as well return it.