1. Product Overview
This manual provides essential information for the safe and efficient operation of your Beko DIS35020 Slim 45 cm Built-in Dishwasher. Please read it thoroughly before installation, first use, and maintenance.
The Beko DIS35020 is a fully integrated dishwasher designed for seamless installation into your kitchen cabinetry. It features a slim 45 cm width, accommodating 10 place settings, and operates quietly. Key features include an adjustable rack, internal LED lighting, and multiple wash programs.

Image 1.1: Front view of the Beko DIS35020 built-in dishwasher with the control panel visible and the upper rack partially extended.
2. Safety Information
Always adhere to the following safety guidelines to prevent injury or damage to the appliance.
- Electrical Safety: Ensure the dishwasher is connected to a properly grounded outlet. Do not use extension cords. Disconnect power before any maintenance or cleaning.
- Water Safety: Ensure water connections are secure to prevent leaks. Do not operate the dishwasher if there is a visible water leak.
- Child Safety: Keep children away from the dishwasher, especially when it is operating or contains detergent. The door should not be left open unattended.
- Detergent and Rinse Aid: Store detergents and rinse aids out of reach of children. Use only detergents specifically designed for automatic dishwashers.
- Sharp Objects: Load sharp items (knives, skewers) with the points facing down to prevent injury.
- Hot Surfaces: The interior of the dishwasher can be hot immediately after a cycle. Allow time for cooling before unloading.
- Installation: Installation must be performed by a qualified technician in accordance with local regulations.
3. Installation
The Beko DIS35020 is designed for built-in installation. Proper installation is crucial for optimal performance and safety. It is highly recommended that installation be carried out by a professional installer.
3.1. Pre-Installation Checks
- Verify that the installation space meets the required dimensions.
- Ensure access to a grounded electrical outlet, a water supply connection, and a drain point.
- Unpack the dishwasher carefully and inspect for any transit damage.
3.2. Dimensions and Placement
Refer to the installation diagram for precise measurements and clearances required for built-in integration.

Image 3.1: Detailed installation diagram with minimum and maximum dimensions for cabinet integration. The diagram indicates a minimum width of 450mm for the cabinet opening, and appliance height adjustable between 820-870mm.
3.3. Connections
- Water Inlet: Connect the water inlet hose to a cold water supply with a minimum pressure of 0.03 MPa and a maximum of 1 MPa.
- Drain Hose: Securely connect the drain hose to your household drainage system, ensuring there are no kinks or blockages.
- Electrical Connection: Plug the dishwasher into a dedicated, grounded 240V electrical outlet.
Warning: Incorrect installation can lead to electric shock, fire, or water damage. Always consult a qualified professional.
4. Initial Setup and Loading
Before using your dishwasher for the first time, follow these steps for optimal performance.
4.1. Adding Detergent and Rinse Aid
Open the detergent dispenser located on the inner side of the dishwasher door. Add the recommended amount of dishwasher detergent to the main compartment. If using rinse aid, fill the rinse aid dispenser until the indicator shows full.

Image 4.1: The detergent and rinse aid dispenser compartment, typically found on the inside of the dishwasher door.
4.2. Loading Dishes
Proper loading ensures thorough cleaning and prevents damage to your dishes. The Beko DIS35020 features an adjustable rack for flexibility.
- Lower Rack: Ideal for large items like plates, serving dishes, and pots. Ensure items do not block the spray arms.
- Upper Rack: Suitable for glasses, cups, small bowls, and delicate items. The rack can be adjusted to accommodate taller items below.
- Cutlery Basket: Place forks and spoons with handles down, and knives with handles up for safety.

Image 4.2: The lower rack of the dishwasher, correctly loaded with various plates.

Image 4.3: The upper rack of the dishwasher, showing proper placement of glasses and cups.

Image 4.4: A removable cutlery basket, demonstrating how to load forks, spoons, and knives.
5. Operating Instructions
Follow these steps to operate your Beko DIS35020 dishwasher.
5.1. Control Panel
The control panel is located on the top edge of the dishwasher door. It features touch controls and LED indicators for program selection and status.
5.2. Selecting a Wash Program
Your dishwasher offers several wash programs to suit different needs:
- Normal: Standard program for daily soiled dishes.
- Intensive: For heavily soiled pots, pans, and dishes.
- Quick Wash: A shorter cycle for lightly soiled items that need to be cleaned quickly.
To select a program, press the corresponding button on the control panel. The LED indicator for the selected program will illuminate.
5.3. Starting a Cycle
- Ensure the dishwasher door is securely closed.
- Press the Start/Pause button to begin the selected wash program.
- The dishwasher will automatically proceed through the wash, rinse, and dry phases.
An internal LED light provides visibility inside the dishwasher during operation and when loading/unloading.
6. Maintenance and Cleaning
Regular maintenance ensures the longevity and efficiency of your dishwasher.
6.1. Cleaning the Filters
The filter system prevents food particles from recirculating and clogging the spray arms. Clean the filters regularly (e.g., weekly or bi-weekly, depending on usage).
- Twist and remove the coarse filter from the bottom of the dishwasher.
- Separate the fine filter and microfilter.
- Rinse all filter components under running water to remove food debris. Use a soft brush if necessary.
- Reassemble the filters and securely place them back into the dishwasher.
6.2. Cleaning the Spray Arms
Periodically check the spray arm nozzles for blockages. If clogged, remove the spray arms and clear the holes with a thin wire or toothpick.
6.3. Exterior and Interior Cleaning
- Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners.
- For the interior, run an empty cycle with a dishwasher cleaner or a cup of white vinegar to remove mineral buildup and odors.
6.4. Rinse Aid and Salt Indicators
Refill rinse aid and dishwasher salt (if applicable to your water hardness settings) when their respective indicators on the control panel or dispenser light up.
7. Troubleshooting
Before contacting service, review the following common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Dishwasher does not start. | Power supply issue, door not closed properly, program not selected. | Check power connection, ensure door is latched, select a wash program. |
| Dishes are not clean. | Improper loading, clogged spray arms, insufficient detergent, incorrect program. | Reload dishes correctly, clean spray arms and filters, add more detergent, select a more intensive program. |
| Water remains in the bottom. | Clogged filter, blocked drain hose, drain pump issue. | Clean filters, check drain hose for kinks, consult service if pump is faulty. |
| Excessive noise during operation. | Dishes interfering with spray arms, foreign object in pump, improper installation. | Rearrange dishes, check for foreign objects, ensure dishwasher is level. |
If the problem persists after attempting these solutions, please contact Beko customer support.
8. Technical Specifications
Below are the key technical specifications for the Beko DIS35020 dishwasher:
| Feature | Specification |
|---|---|
| Model Number | DIS35020 |
| Form Factor | Built-in (Fully Integrated) |
| Place Settings | 10 |
| Dimensions (H x W x D) | Adjustable height 820-870 mm, Width 448 mm, Depth 550 mm (approx. based on diagram) |
| Voltage | 240V |
| Wash Programs | Normal, Intensive, Quick Wash |
| Additional Features | Adjustable Rack, Internal LED Light |
| Material | Stainless Steel (interior) |
| Noise Level | 49 dB (from energy label) |
| Energy Efficiency Class | D (New Energy Label Scale) |
| Energy Consumption (per 100 cycles) | 76 kWh |
| Water Consumption (per cycle) | 11.9 Liters |
| Standard Program Duration | 3:30 (hours:minutes) |
| Included Components | Adapter |

Image 8.1: The EU Energy Label for the Beko DIS35020, detailing its energy and water consumption, noise level, and capacity.
9. Warranty and Support
Your Beko DIS35020 dishwasher comes with a manufacturer's warranty. Please refer to the warranty card included with your appliance for specific terms and conditions, including coverage duration and registration details.
For technical assistance, spare parts, or to schedule a service appointment, please contact Beko customer support. You can find contact information on the Beko official website or in your product documentation.
When contacting support, please have your model number (DIS35020) and serial number ready. The serial number is typically located on a label inside the dishwasher door or on the back of the appliance.