Introduction
This user manual provides essential information for the safe and efficient operation of your Bosch Serie | 6 WUU28T6XES front-load washing machine. Please read these instructions carefully before first use and keep them for future reference. Proper installation, operation, and maintenance will ensure optimal performance and longevity of your appliance.
Safety Instructions
Always adhere to the following safety guidelines to prevent personal injury or damage to the appliance.
- General Safety: This appliance is intended for domestic use only. Do not allow children or persons with reduced physical, sensory, or mental capabilities to operate the machine without supervision.
- Electrical Safety: Ensure the appliance is connected to a properly earthed socket. Do not use extension cords or multi-plugs. Never touch the power plug with wet hands.
- Water Safety: Check hoses regularly for leaks or damage. Do not operate the machine if there is a visible leak.
- Child Safety: Keep children away from the washing machine during operation. The appliance door can be locked to prevent accidental opening.
Product Overview
Familiarize yourself with the main components of your Bosch washing machine.
Front View

This image displays the front of the Bosch Serie | 6 WUU28T6XES washing machine, highlighting the detergent dispenser, control panel, door, and service flap at the bottom right.
Side View

This image shows the side panel of the washing machine, featuring the anti-vibration design with concentric circles.
Control Panel

A close-up of the control panel, showing the program selector dial, digital display, and various function buttons such as 'Speed Perfect' and 'Delayed Start'.
Drum Interior

This image provides a detailed view of the washing machine's stainless steel drum interior, showcasing its textured surface designed for gentle yet effective washing.
Installation
Unpacking and Transport Bolts
Before operating the appliance, all transport bolts must be removed. Failure to do so can result in damage to the machine.
- Locate the transport bolts at the rear of the machine.
- Unscrew and remove all bolts. Keep them for future transport.
- Insert the provided covers into the openings.
Placement
Place the washing machine on a firm, level surface. Ensure there is adequate space around the appliance for ventilation and maintenance.
Water Connection
Connect the water inlet hose to a cold water tap with a ¾" thread. Ensure all connections are tight to prevent leaks. The drain hose should be securely placed into a standpipe or laundry sink, ensuring it is not kinked.
Electrical Connection
Connect the appliance to a properly installed earthed socket. The voltage and frequency must match the specifications on the rating plate. Do not use extension cords or multi-plugs.
Levelling
Adjust the feet of the washing machine using a spanner to ensure it is perfectly level. This prevents excessive vibration and noise during operation.
Operating Instructions
Before First Use
Run an empty wash cycle at 60°C without laundry but with a small amount of detergent to clean the drum and remove any manufacturing residues.
Loading Laundry
Open the door and load laundry loosely into the drum. Do not overload the machine. Close the door firmly.
Adding Detergent and Additives
Pull out the detergent dispenser drawer. Add detergent to the main wash compartment and, if desired, fabric softener to the designated compartment. Refer to detergent packaging for dosage recommendations.
Selecting a Program
Turn the program selector dial to choose the desired wash program. The display will show the default settings for that program.

This image shows the program selector dial and digital display, indicating how to choose a wash program and view its settings.
Adjusting Program Settings
Use the option buttons to adjust temperature, spin speed, or activate special functions like 'Speed Perfect' or 'Prewash'.
Delayed Start (Fin diferido)
Press the 'Fin diferido' button to set a delayed end time for the wash cycle, up to 24 hours. The machine will automatically start to finish at the set time.

This image illustrates the washing machine's display showing a countdown for a delayed end time, allowing users to schedule their laundry.
Starting and Pausing a Program
Press the Start/Pause button to begin the selected program. To pause, press the button again. The door may be opened during a pause if the water level and temperature are safe.

This image depicts the washing machine drum with a play/pause icon overlaid, symbolizing the start and pause functionality of the appliance.
End of Program
The display will indicate when the program is finished. Open the door and remove the laundry. Leave the door slightly ajar to allow the drum to dry.
Programs Overview
The Bosch Serie | 6 WUU28T6XES offers a variety of programs tailored for different fabric types and soil levels.
| Program | Description | Max Load | Temperature Range |
|---|---|---|---|
| Cottons | For hard-wearing textiles made of cotton or linen. | 8 kg | Cold - 90°C |
| Eco 40-60 | Standard program for normally soiled cotton laundry declared washable at 40°C or 60°C. | 8 kg | 40°C - 60°C |
| Synthetics | For textiles made of synthetic or mixed fabrics. | 4 kg | Cold - 60°C |
| Delicates/Silk | For delicate, washable silk and synthetic fabrics. | 2 kg | Cold - 40°C |
| Wool | For hand and machine washable wool or wool blend fabrics. | 2 kg | Cold - 40°C |
| Rinse | Extra rinse cycle. | 8 kg | - |
| Spin/Drain | Spinning and draining water. | 8 kg | - |
| Super Quick 30'/15' | Short program for small amounts of lightly soiled laundry. | 2 kg | Cold - 40°C |
Note: Specific program availability and settings may vary slightly. Always refer to the control panel for exact options.
Maintenance and Cleaning
Cleaning the Exterior
Wipe the exterior of the washing machine with a soft, damp cloth. Do not use abrasive cleaners or solvents.
Cleaning the Detergent Dispenser
Regularly remove and clean the detergent dispenser drawer to prevent residue buildup. Rinse it under running water.
Cleaning the Drum
Run a drum cleaning program (if available) or a hot wash cycle with a specialized washing machine cleaner periodically to prevent odors and maintain hygiene.

This image shows the clean, reflective interior of the washing machine drum, emphasizing the importance of regular cleaning for optimal performance.
Cleaning the Drain Pump Filter
The drain pump filter should be cleaned regularly to remove lint and foreign objects. Refer to the service flap at the bottom right of the machine.

The front view of the washing machine indicates the location of the service flap, behind which the drain pump filter is accessible for cleaning.
Descaling
In areas with hard water, descaling may be necessary. Use a suitable descaling agent according to the manufacturer's instructions.
Troubleshooting
Before contacting customer service, try to resolve minor issues using the following guide:
- Machine does not start: Check if the power plug is inserted, the door is closed properly, and the Start/Pause button has been pressed.
- Water is not entering the machine: Check if the water tap is open and the inlet hose is not kinked.
- Water is not draining: Clean the drain pump filter and check the drain hose for kinks.
- Excessive vibration/noise: Ensure the machine is level and that all transport bolts have been removed. Reduce laundry load if overloaded.
- Unpleasant odors: Run a drum cleaning program or a hot wash cycle with a cleaner. Clean the detergent dispenser.
Specifications
| Feature | Detail |
|---|---|
| Brand | Bosch |
| Model | WUU28T6XES |
| Model Number | 4242005234523 |
| Capacity | 8 kg |
| Energy Efficiency Class | C |
| Maximum Spin Speed | 1400 RPM |
| Dimensions (H x W x D) | 84.5 x 59.8 x 59 cm (approx.) |
| Weight | 69.7 kg |
| Motor Type | EcoSilence Drive |
| Color | Stainless Steel Look |
| Voltage | 220-240 V (AC) |

This technical drawing illustrates the side dimensions of the washing machine in millimeters, including depth and height, crucial for installation planning.

This technical drawing provides the top-down dimensions of the washing machine in millimeters, showing the width and depth for proper placement.
Warranty and Support
For warranty information and customer support, please refer to the official Bosch website or contact your local Bosch service center. Keep your purchase receipt as proof of purchase.
Online Support: Visit the Bosch Service Website for FAQs, troubleshooting guides, and to schedule service appointments.
Contact Information: Refer to the documentation provided with your appliance for specific contact numbers in your region.