Bosch TES 50129 RW ユーザーズマニュアル

TES501..   08/2011

Coffee is too “bitter”.

The grind 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 the type of coffee.

The water filter does not 

stay in position in the water 

tank (16).

The water filter is not fitted 

correctly.

Firmly press the water filter 

straight down into the tank 

connection.

The coffee grounds are not 

compact and are too wet.

The grind 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.

LED 

I

 flashes.

Brewing unit  (5) is soiled.

Cleaning the brewing   

unit (5).

Too much pre-ground cof-

fee in the brewing unit (5).

Clean the brewing unit (5)

(Put in no more than 2 

level measuring spoons of 

ground coffee).

The brewing unit mecha-

nism is stiff.

Remove the brewing unit 

and treat with a special 

grease intended for this 

purpose (order  no. 311368), 

see “Maintenance and daily 

cleaning”.

Coffee or milk froth quality 

varies widely. 

Build-up of limescale in the 

appliance.

Descale the appliance with 

two descaling tablets as de-

scribed 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 

soon.

Wait a few seconds after 

the last drink was dis-

pensed before removing the 

drip tray (8).

LED 

I

 lights up.

Brewing unit (5) is missing 

or has not been detected.

Switch off the appliance 

with the brewing unit (5) in 

place, wait three seconds 

and switch on the appliance 

again.

TES501_Heft1_RW.indb   21

14.09.2011   16:10:31