Philips Avent SCD340/31, SCF291/00
Philips Avent Product Manual
Electric Breast Pump (SCD340/31) & Bottle Sterilizer (SCF291/00)
Introduction
This manual provides essential information for the safe and effective use of your Philips Avent Electric Breast Pump (model SCD340/31) and Philips Avent Bottle Sterilizer (model SCF291/00). Please read all instructions carefully before first use and retain this manual for future reference.

Image: The Philips Avent Electric Breast Pump and Bottle Sterilizer, shown together in their retail packaging, highlighting the complete feeding solution.
Important Safety Information
WARNING:
- Always keep electrical appliances away from water.
- Do not immerse the motor unit of the breast pump or the base of the sterilizer in water or other liquids.
- Ensure all parts are clean and dry before assembly and use.
- Keep out of reach of children.
- Use only Philips Avent original accessories and spare parts.
For detailed safety instructions, refer to the specific sections for each product.
Package Contents
Philips Avent Electric Breast Pump (SCD340/31)

Image: The Philips Avent Electric Breast Pump set, showing the pump unit, collection bottles, teats, and various accessories included in the package.
The package typically includes:
- Electric breast pump unit with motor
- Breast pump body with handle
- Natural Motion technology cushion
- Philips Avent Natural bottle(s)
- Teat(s)
- Sealing disc(s)
- Power adapter
- Spare parts (e.g., diaphragm)
Philips Avent Bottle Sterilizer (SCF291/00)

Image: The Philips Avent Bottle Sterilizer, showing the main unit and the internal basket for holding bottles and accessories during sterilization.
The package typically includes:
- Sterilizer base with heating element
- Lower basket for bottles
- Upper basket for smaller items (teats, pacifiers)
- Lid
- Measuring cup
Setup and Assembly
Electric Breast Pump Setup
- Clean and Sterilize: Before first use, disassemble all parts that come into contact with breast milk and clean them thoroughly. Sterilize these parts using the Philips Avent Bottle Sterilizer or by boiling for 5 minutes.
- Assemble the Pump:
- Insert the valve into the pump body.
- Attach the silicone diaphragm to the pump body.
- Screw the bottle onto the pump body.
- Attach the Natural Motion cushion to the pump body, ensuring a tight seal.
- Connect the tubing to the pump body and the motor unit.
- Connect Power: Plug the power adapter into the motor unit and then into a wall outlet.

Image: A woman demonstrating the comfortable and discreet use of the Philips Avent Electric Breast Pump, highlighting its ergonomic design.
Bottle Sterilizer Setup
- Placement: Place the sterilizer on a stable, flat, heat-resistant surface, away from direct sunlight and heat sources.
- Add Water: Pour exactly 100ml of tap water into the base of the sterilizer. Do not exceed this amount to prevent damage.
- Load Items:
- Place bottles upside down in the lower basket.
- Place smaller items like teats, pacifiers, or breast pump parts in the upper basket.
- Assemble and Close: Place the lower basket onto the base, then the upper basket, and finally secure the lid.
- Connect Power: Plug the power cord into the sterilizer and then into a wall outlet.

Image: A user placing various baby feeding items, including bottles and pacifiers, into the Philips Avent Bottle Sterilizer for cleaning.
Operating Instructions
Using the Electric Breast Pump
- Positioning: Sit comfortably and relax. Center the Natural Motion cushion over your nipple, ensuring a good seal against your breast.
- Power On: Press the power button on the motor unit to turn on the pump. It will start in stimulation mode.
- Stimulation Mode: The pump begins with a gentle stimulation mode to encourage milk let-down. This mode has 8 levels.
- Expression Mode: Once milk starts flowing, the pump automatically switches to expression mode. You can also manually switch by pressing the mode button. This mode has 16 levels.
- Adjust Settings: Use the '+' and '-' buttons to adjust the suction level to your comfort. The Natural Motion technology adapts to your nipple size and shape for optimal comfort and milk flow.
- Memory Function: The pump remembers your last used settings for expression mode, making subsequent sessions convenient.
- Power Off: Press the power button to turn off the pump when finished.
- Disconnect: Carefully remove the pump from your breast and disassemble for cleaning.
Using the Bottle Sterilizer
- Prepare Items: Ensure all bottles, teats, and accessories are thoroughly rinsed to remove any milk residue before placing them in the sterilizer.
- Load: Load the items as described in the "Setup" section. The sterilizer can hold up to 6 Philips Avent bottles and accessories.
- Start Sterilization: Press the power button. The sterilizer will begin its cycle.
- Cycle Duration: The sterilization cycle takes approximately 10 minutes. An indicator light will show the progress.
- Completion: The sterilizer will automatically switch off when the cycle is complete.
- Cool Down: Allow the sterilizer and its contents to cool down for a few minutes before opening the lid. Use tongs to remove hot items carefully.
- Sterile Storage: Items remain sterile inside the unopened sterilizer for up to 24 hours.

Image: A clear front view of the Philips Avent Bottle Sterilizer, emphasizing its sleek and compact design suitable for any kitchen counter.
Cleaning and Maintenance
Breast Pump Cleaning
Clean all parts that come into contact with breast milk immediately after each use to prevent milk residue from drying and to maintain hygiene.
- Disassemble: Take apart all components of the breast pump.
- Rinse: Rinse all parts under cold running water to remove milk residue.
- Wash: Wash parts in warm soapy water using a soft brush. Alternatively, parts can be washed on the top rack of a dishwasher.
- Rinse Again: Rinse thoroughly with clean water.
- Sterilize: Sterilize parts daily using the Philips Avent Bottle Sterilizer, a steam sterilizer, or by boiling for 5 minutes.
- Dry: Allow parts to air dry on a clean drying rack or use a clean cloth. Store in a clean, dry place.
- Motor Unit: Wipe the motor unit with a damp cloth. Do not immerse in water.
Sterilizer Cleaning and Descaling
Regular cleaning and descaling are essential to ensure efficient operation and longevity of your sterilizer.
- Daily Cleaning: After each use, unplug the sterilizer and allow it to cool. Wipe the base and baskets with a damp cloth.
- Descaling: Limescale can build up on the heating plate, especially in areas with hard water. Descale the sterilizer every 2-4 weeks, or more frequently if needed.
- Mix 80ml of white vinegar with 20ml of water.
- Pour the mixture into the base of the sterilizer.
- Do not load any items. Run a sterilization cycle.
- After the cycle, unplug and let it cool. Pour out the mixture and rinse the base thoroughly with clean water.
- Wipe the heating plate with a damp cloth to remove any remaining scale.
Troubleshooting
Breast Pump Issues
| Problem | Possible Cause | Solution |
|---|---|---|
| No suction or weak suction |
|
|
| Pump not turning on |
|
|
Sterilizer Issues
| Problem | Possible Cause | Solution |
|---|---|---|
| Sterilizer not heating or turning on |
|
|
| White/brown residue on heating plate |
|
|
Specifications
Philips Avent Electric Breast Pump (SCD340/31)
- Model: SCD340/31
- Technology: Natural Motion technology
- Stimulation Levels: 8
- Expression Levels: 16
- Cushion: Adaptive silicone cushion
- Power: Mains powered
Philips Avent Bottle Sterilizer (SCF291/00)
- Model: SCF291/00
- Sterilization Method: Steam sterilization
- Sterilization Time: Approximately 10 minutes
- Capacity: Up to 6 Philips Avent bottles
- Sterile Period: Up to 24 hours (if lid unopened)
- Effectiveness: Kills 99.9% of germs
Warranty and Support
Philips Avent products are designed and manufactured to the highest standards. For warranty information and customer support, please refer to the warranty card included in your product packaging or visit the official Philips Avent website.
Online Support: www.philips.com/avent
Please have your model number (SCD340/31 for breast pump, SCF291/00 for sterilizer) and purchase date ready when contacting support.
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