When your Siemens EQ.3/EQ300 bean-to-cup coffee machine has detected a problem, it will display an error message. It can be difficult to make send of these error messages and lights. Please find below a list of the most common ones, what they mean and how to resolve them. If you can't find the error message you are looking for here, please contact Siemens Home Appliances Service

The Siemens Service team will be able to assist you further.

Display message Reason Solution
Display shows: “Close door”
despite door closed.
The door is not properly closed. Press the door firmly closed.
Display shows: “Empty trays”
despite empty drip tray.
Emptying is not detected when
the appliance is off.
When the appliance is switched on, remove and re-insert the drip tray.
Display shows: “Fill water tank”
despite full water tank.
Water tank wrongly inserted. Insert water tank correctly.
Carbonated water in the water tank. Fill the water tank with fresh tap water.
Float is stuck in the water tank. Remove the water tank and clean thoroughly.
New water filter not rinsed according to the instructions. Rinse the water filter according to the instructions and then switch on.
Air in the water filter. Immerse the water filter (opening up) in water until no more air bubbles escape; insert the filter again.
Water filter is old. Insert a new water filter.
Display shows: “Fill water tank”
and LEDs flashing.
Water tank is missing or not inserted correctly. Insert water tank correctly.
The pipe system in the appliance is dry. Fill the water tank with fresh tap water.
Do not fill up with carbonated water.
Air in the water filter. Immerse the water filter (opening up) in water until no more air bubbles escape; insert the filter again.
Display shows: ”Clean brewing unit”. Brewing unit is soiled. Clean the brewing unit.
The brewing unit’s mechanism is stiff. Clean the brewing unit.
Display shows: ”Incorrect voltage”. Incorrect voltage in building. Operate the appliance at 220V–240V only.
Display shows: ”Device too cold”. The ambient temperature is too cold. Operate the appliance at temperatures >5 °C.
Display shows: ”Restart appliance”, LEDs flashing. Brewing unit very heavily soiled, or brewing unit cannot be removed. Switch the appliance off and back on again. Clean brewing unit if possible.
The appliance cannot be operated, display messages changing. The appliance is in demo mode. Hold the “Start” button for at least 5 seconds to deactivate demo mode.

Get more info how to solve issues with your coffee machines.

Here you will find more about problems and solutions concerning your EQ.3/EQ300 fully automatic bean-to-cup coffee machine.

Maintenance and cleaning of EQ.3/EQ300

Keep your coffee machines in top condition. Learn more about topics like descaling, cleaning and care for your EQ.3/EQ300 fully automatic bean-to-cup coffee machine.

Coffee machine services by Siemens Service

Siemens Service provides a wide range of services for coffee machines. Please get in contact with Siemens Service to get more info about services, repairs and logistical processes and conditions.

Accessories and cleaning products

Discover the Siemens coffee machine accessories to get the best coffee experience. The range of essential accessories includes filters as well as delectable coffee beans or comfortable mugs. You’ll also find the right spare parts, descalers and cleaners to keep your appliances in top condition