Bosch TES 51521 RW VeroCafe LattePro 用户手册

Robert Bosch Hausgeräte GmbH

Too little or no milk froth or 

the milk frother (6) does 

not draw the milk in.

The milk frother (6) is 

soiled.

Clean the milk frother (6), see 

“Maintenance and daily cleaning”.

Milk unsuitable for frothing. Use low-fat milk (1.5 % fat).

The milk frother (6) is not 

correctly assembled.

Wet the milk frother parts and 

press together firmly.

Build-up of limescale in the 

appliance.

Descale the appliance as 

described in the instructions.

No hot water dispensed.

The milk frother (6) is 

soiled.

Clean the milk frother (6), see 

“Maintenance and daily cleaning”.

Coffee dispensing slows 

to a trickle or stops 

completely.

Coffee is ground too finely. 

Pre-ground coffee is too 

fine.

Adjust the grinding unit to a 

coarser setting. Use coarser 

 pre-ground coffee.

Build-up of limescale in the 

appliance.

Descale the appliance as 

described in the instructions.

Coffee has no “crema”.

Unsuitable type of coffee. Use a type of coffee with a higher 

proportion of robusta beans.

The beans are no longer 

fresh.

Use fresh beans.

The grinding setting is not 

suitable for the beans.

Adjust grinding setting to fine.

Coffee is too “acidic”.

The grinding setting is too 

coarse or the pre-ground 

coffee is too coarse.

Adjust the grinding unit to a finer 

setting or use finer pre-ground 

coffee.

Unsuitable type of coffee. Use a darker roast.

Coffee is too “bitter”.

The grinding setting is 

too fine or the pre-ground 

coffee is too fine.

Adjust the grinding unit to a 

coarser setting or use  coarser 

pre-ground coffee.

Unsuitable type of coffee. Change type of coffee used.

Coffee or milk froth quality 

varies considerably. 

Build-up of limescale in the 

appliance.

Descale the appliance as 

described in the instructions.

The coffee grounds are not 

compact and are too wet.

The grinding setting is too 

fine or too coarse, or not 

enough ground coffee has 

been used.

Adjust the grinding unit to a 

coarser or finer setting, or use 

2 level measuring spoons of 

ground coffee.

Water dripped onto the 

inner floor of the appliance 

when the drip tray (8) was 

removed.

Drip tray (8) removed too 

early.

Wait a few seconds after the 

last drink was dispensed before 

removing the drip tray (8).

The water filter does not 

stay in position in the 

water tank (17).

The water filter is not 

mounted correctly.

Firmly press the water filter 

straight down into the tank 

connection.