Miele

Miele CVA 7845

Answers and step-by-step fixes from the official Miele manual.

What does the display say?

• F1, F2, F80, F82, F353, F354: Internal fault (long wait). The machine has detected an internal fault and needs to be switched off for a while before it can restart.
• F74, F77, F225, F226, F235, F353, F354: Internal fault (short wait). The machine has detected an internal fault that usually clears after a short power cycle.
• F73 or Check the brew unit: Brew unit not positioned correctly. The brew unit cannot be positioned correctly or is soiled, so it cannot press the ground coffee.
• Push the water container in until it engages.: Water container not filled or inserted correctly. A maintenance programme stopped early because the water container was not filled to the right mark.
• Check water intake and empty the water container: Mains water supply not working. The machine cannot draw water from the plumbed-in mains supply.
• F233: Cup rim sensor out of position. The cup rim sensor is not fitted correctly, or it lost its reference position after being bumped.
• F 355, F 357–F 362: Bean system needs setting up again. Coffee beans may have jammed, so the bean system needs to be set up again.
• F 307: Milk valve fault. The milk valve has a fault and needs removing and cleaning.

Common problems

The display stays dark when I try to turn it on

1. Did you hold the On/Off button long enough? A quick tap is not enough to start the machine.
2. Is the plug inserted correctly? Push the plug fully into the socket.
3. Has a fuse tripped? This can happen if the machine, the voltage, or another appliance is defective.

The coffee doesn't taste right or the crema isn't good

1. Did you pre-heat the cup? Small, thick-sided cups especially need pre-heating, for example with hot water.
2. Is the brewing temperature set too low? Set a higher brewing temperature for this drink.
3. Are the filters in the brew unit blocked? Remove the brew unit, clean it by hand, and degrease it.
4. Are the coffee beans still fresh? Add fresh beans to the bean container.

The milk froth isn't right or milk sputters out

1. Is the milk cold enough? Good froth only forms with milk below 10 degrees C.
2. Is the milk pipework blocked or the milk valve soiled? Clean the milk valve following the steps in the guide.
3. Have the central spout and milk flask lid been cleaned thoroughly? Dirty parts here affect how well milk is prepared.
4. Is the central spout correctly fitted? An incorrectly fitted spout can cause poor milk results.

Automatic cleaning or descaling won't run

1. Are all removable parts fitted? The water container, drip tray, brew unit and central spout must all be in place.
2. Was the machine door closed? Close the door fully before the programme can start.
3. Was the machine switched off at the start time? Automatic programmes only start if the machine is switched off at the set time.
4. Does it still ask you to descale even with a cartridge fitted? Depending on water hardness and use, you may still need to run the manual descaling programme.

Step-by-step guides

Descale the machine

1. Confirm the message on the display with OK
2. Fill the water container to the mark with lukewarm water
3. Drop 2 descaling tablets into the water
4. Push the water container back into the machine
5. When prompted, remove the water container and rinse it thoroughly with clean water
6. Fill the water container to the mark with fresh tap water

Degrease the brew unit

1. In the Maintenance menu, touch Degrease the brew unit
2. Remove the water container and the brew unit
3. Clean the brew unit by hand under warm running water only
4. Wipe any remaining coffee residue from the filters
5. Drop a cleaning tablet into the top of the brew unit
6. Push the brew unit containing the cleaning tablet back into the machine
7. Push the water container and drip tray back into the machine and close the door

Clean the milk valve

1. Remove the bean container and maintenance container on the left-hand side
2. Take the stainless steel cover off the central spout
3. Remove the milk valve cover using the pin on the top right
4. Detach the milk pipework from the dispensing unit on the central spout
5. Rinse the hoses thoroughly under running water
6. Press the retainers on the milk valve holder and pull it forwards to remove it
7. Pull the stainless steel bolt upwards and out
8. Clean the individual components of the milk valve in the dishwasher
9. Reassemble: insert the holder and silicone seal until they click into place