Bosch TES-50621 RW 用户手册

Robert Bosch Hausgeräte GmbH

Coffee is too “bitter”.

The grinding setting is too 

fine or the pre-ground cof-

fee is too fine.

Adjust the grinding unit to a 

coarser setting or use coars-

er pre-ground coffee.

Unsuitable type of coffee.

Change type of coffee used.

Display shows 

Error 

Call hotline

.

The appliance has a fault.

Please call the hotline.

The water filter (20) does 

not stay in position in the 

water tank (17).

The water filter (20) is not 

mounted correctly.

Firmly press the water filter 

(20) straight down into the 

tank connection.

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.

Display shows  

Clean brewing unit

.

Brewing unit (5) is soiled.

Clean brewing unit (5).

Too much pre-ground cof-

fee in the brewing unit (5).

Clean brewing unit (5).

(Pour in no more than 2 

level measuring spoons of 

ground coffee).

The brewing unit’s 

mechanism is stiff.

Remove the brewing unit 

and treat with a special 

grease intended for this pur-

pose (Order No. 311368), 

see “Maintenance and daily 

cleaning”.

Coffee or milk froth quality 

varies considerably. 

Build-up of limescale in the 

appliance.

Descale the appliance with 

two descaling tablets as 

described in the instructions.

Water dripped onto the in-

ner 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).

TES506_1RW.indb   18

16.06.2011   13:51:09