User Manual Bosch TDS4070GB Steam station Serie | 4 EasyComfort

The iron makes a pumping sound when water is being pumped into the iron or when the water tank is empty.

The button does need to be pressed to release the steam throughout the ironing process.

When the iron is ready to use, the middle indicator light will remain permanently lit. Two beeps will be heard.
Important: During the first seconds of use the amount of steam will be lower and it will increase progressively
Press the steam release button for ironing with steam. (The button under the handle).