Bosch TES 50129 RW ユーザーズマニュアル

Robert Bosch Hausgeräte GmbH

Grinding unit does not grind 

the beans.

Beans are not falling into 

the grinding unit (beans too 

oily).

Gently tap the bean con-

tainer (1). Change the type 

of coffee if necessary.  

When the bean container 

(1) is empty, wipe it with a 

dry cloth.

No hot water dispensed.

The milk frother (6) is soiled. Clean the milk frother (6)

,  

see “Maintenance and daily 

cleaning”.

Too little or no milk froth.

The milk frother (6)

 is soiled. Clean the milk frother (6),  

see “Maintenance and daily 

cleaning”.

Build-up of limescale in the 

appliance.

Descale the appliance.

Milk unsuitable for frothing.

Use milk with a fat content 

of at least 1.5%.

The milk frother (6) is not 

assembled correctly.

Wet the milk frother parts

and press together firmly.

Coffee dispensing slows to 

a trickle or stops completely.

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.

Build-up of limescale in the 

appliance.

Descale the appliance.

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 grind setting is not suit-

able for the beans.

Adjust the grind setting to 

fine.

Coffee is too “acidic”.

The grind 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.

TES501_Heft1_RW.indb   20

14.09.2011   16:10:31