Introduction
This manual provides essential information for the safe and efficient operation of your Bosch Serie 8 CDG634AB0 Electric Steam Oven. Please read all instructions carefully before installation and use. Keep this manual for future reference.
The Bosch Serie 8 CDG634AB0 is a 38-liter electric steam oven designed for integrated installation, featuring a Volcano Black finish and 1750 Watts of power.
Safety Instructions
General Safety:
- Ensure the appliance is correctly installed by a qualified professional.
- Do not operate the oven if it is damaged. Contact customer service.
- Keep children away from the appliance during operation as surfaces can become hot.
- Never use abrasive cleaners or sharp metal scrapers to clean the oven door glass, as they can scratch the surface, which may result in shattering.
- Always use oven mitts when handling hot dishes or accessories.
Electrical Safety:
- The oven must be connected to a properly grounded electrical outlet.
- Do not use extension cords or multiple socket adapters.
- If the power cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified persons to avoid a hazard.
Setup and Installation
This section provides guidance for the proper installation and initial setup of your steam oven.
Unpacking
- Carefully remove the oven from its packaging.
- Inspect the appliance for any signs of transport damage. Report any damage immediately to your dealer.
- Remove all packaging materials and protective films from the oven and its accessories.
Installation Requirements
The Bosch CDG634AB0 is designed for integrated installation. Refer to the provided diagram for precise dimensions and clearances.

Image: Detailed installation dimensions for the Bosch Serie 8 CDG634AB0 steam oven, showing required cabinet space and clearances in millimeters. The oven measures approximately 594mm wide, 455mm high, and 548mm deep.
- Ensure the installation cabinet meets the specified dimensions (min. 550mm depth, min. 460mm height, 560mm width).
- Allow for adequate ventilation around the appliance.
- The electrical connection area requires a space of 320 x 115 mm.
- Installation should only be performed by a qualified technician.
First Use and Initial Cleaning
- Before first use, wipe the interior of the oven with a damp cloth and mild detergent.
- Run the oven empty for approximately 30 minutes at a high temperature (e.g., 200°C) to burn off any manufacturing residues. Ensure good ventilation during this process.
- For steam functions, fill the water tank with fresh drinking water.
Operating Instructions
This section covers the basic operation of your Bosch Serie 8 CDG634AB0 Steam Oven.

Image: Front view of the Bosch Serie 8 CDG634AB0 Electric Steam Oven in Volcano Black, showing the control panel with a central display and touch controls, and the oven door with a horizontal handle.
Control Panel Overview
The oven features a central display and touch controls for selecting functions and settings. Refer to the detailed diagram in your printed manual for specific button functions.
- Power Button: Turns the oven on/off.
- Function Selector: Use to choose cooking modes (e.g., Steam, Hot Air, Combination).
- Temperature/Time Selector: Adjusts temperature, cooking time, and other settings.
- Start/Stop Button: Initiates or pauses the cooking process.
- Water Tank Indicator: Alerts when the water tank needs refilling for steam functions.
Basic Cooking Operation
- Turn on the oven using the Power button.
- Select the desired cooking function using the Function Selector.
- Adjust the temperature and cooking time using the Temperature/Time Selector.
- Place your food inside the oven.
- Press the Start button to begin cooking.
- The oven will signal when the cooking time is complete.
Using the Steam Function
- Ensure the water tank is filled with fresh drinking water. The tank is typically located behind the control panel or a dedicated compartment.
- Select a steam cooking program or a combination program that includes steam.
- Set the desired temperature and cooking time.
- Place food in appropriate steam-safe containers or directly on perforated trays.
- Start the cooking process. The oven will automatically generate steam.
Maintenance and Cleaning
Regular cleaning and maintenance will ensure the longevity and optimal performance of your oven.
Exterior Cleaning
- Wipe the exterior surfaces with a soft, damp cloth and mild detergent.
- Avoid using abrasive cleaners, scouring pads, or harsh chemicals.
- For stainless steel surfaces, use a specialized stainless steel cleaner.
Interior Cleaning
- Clean the oven interior after each use, especially after cooking fatty foods, to prevent stubborn stains.
- Use warm soapy water and a soft sponge. For tougher stains, specialized oven cleaners suitable for steam ovens can be used, following the product instructions.
- Remove oven racks and accessories for separate cleaning.
Descaling (for Steam Function)
The oven will indicate when descaling is required. This process removes mineral deposits from the steam generator.
- Empty the water tank.
- Follow the on-screen prompts or refer to your detailed manual for the specific descaling program.
- Use a descaling solution recommended by Bosch or a suitable alternative (e.g., citric acid solution).
- Run the descaling program, then rinse the system as instructed.
Troubleshooting
This section addresses common issues you might encounter with your Bosch Serie 8 CDG634AB0 Steam Oven.
| Problem | Possible Cause | Solution |
|---|---|---|
| Oven does not turn on. | No power supply; circuit breaker tripped. | Check power connection; reset circuit breaker. |
| Oven not heating properly. | Incorrect temperature setting; door not closed completely. | Verify temperature setting; ensure door is fully closed. |
| No steam production. | Water tank empty; descaling required. | Refill water tank; perform descaling cycle. |
| Error code displayed. | Specific internal fault. | Note the error code and consult the full manual or contact Bosch customer service. |
If the problem persists after attempting these solutions, please contact Bosch customer service for assistance.
Specifications
Detailed technical specifications for the Bosch Serie 8 CDG634AB0 Electric Steam Oven.
| Brand | Bosch |
| Model Number | CDG634AB0 |
| Dimensions (L x W x H) | 54.8 x 59.4 x 45.5 cm |
| Weight | 10 Kilograms |
| Capacity | 38 Litres |
| Power | 1750 Watts |
| Installation Type | Integrated |
| Cooking Method | Electric |
| Color | Volcano Black |
| Door Orientation | Reversible |
| ASIN | B07H6ZCMPC |
Warranty and Support
For warranty information, please refer to the warranty card included with your appliance or visit the official Bosch website. Keep your proof of purchase for warranty claims.
For technical support, spare parts, or service inquiries, please contact Bosch customer service. You can find contact details on the official Bosch website or through your local dealer.
Visit the official Bosch store for more products and information: Bosch Professional Store





