1. Introduction
Thank you for choosing the Bosch PPW3320 Digital Bathroom Scale. This manual provides essential information for the safe and effective use of your new scale. Please read these instructions carefully before first use and keep them for future reference.
1.1 Safety Information
- Always use the scale on a hard, flat, and stable surface to ensure accurate measurements. Avoid carpets or uneven floors.
- The glass platform can be slippery when wet. Ensure the surface is dry before stepping on.
- Do not jump on the scale or subject it to sudden impacts, as this may damage the device.
- Keep the scale away from water and high humidity. This device is not waterproof.
- Do not attempt to disassemble or repair the scale yourself. Contact authorized service personnel for assistance.
- This scale is intended for personal use only and not for commercial or medical purposes.
2. Product Overview
The Bosch PPW3320 is a digital bathroom scale designed for accurate body weight measurement. It features a durable glass platform and an easy-to-read LCD display.
Image of the Bosch PPW3320 digital bathroom scale, showing its glass platform and LCD display.
2.1 Key Features
- Automatic Shut-off: Conserves battery life by turning off automatically after use.
- Easy-to-Read Display: Large LCD screen for clear weight readings.
- High Capacity: Measures up to 180 kg (396 lbs).
- Durable Glass Platform: Easy to clean and maintain.
3. Setup
3.1 Battery Installation
- Locate the battery compartment on the underside of the scale.
- Open the battery compartment cover.
- Insert the required Lithium-Ion batteries (type usually indicated inside the compartment), ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
3.2 Initial Use and Placement
- Place the scale on a firm, flat surface. Avoid soft surfaces like carpets, which can affect accuracy.
- For first-time use or after moving the scale, gently tap the platform with your foot to activate it, then wait for the display to show "0.0" before stepping on. This calibrates the scale.
4. Operating Instructions
4.1 Taking a Measurement
- Ensure the scale is on a hard, flat surface.
- Step onto the scale with bare feet, standing still and centered on the platform.
- Your weight will be displayed on the LCD screen. The reading will flash or stabilize when the measurement is complete.
- Step off the scale. The display will hold the reading for a few seconds before automatically turning off.
4.2 Changing Weight Units
Most digital scales allow you to switch between kilograms (kg), pounds (lb), and sometimes stones (st). Look for a small button on the underside of the scale, usually near the battery compartment, labeled "UNIT" or "kg/lb/st". Press this button to cycle through the available units.
5. Maintenance
5.1 Cleaning
- Wipe the scale's surface with a soft, damp cloth.
- Do not use abrasive cleaners, harsh chemicals, or immerse the scale in water.
- Dry the scale thoroughly after cleaning.
5.2 Storage
- Store the scale in a cool, dry place.
- Avoid placing heavy objects on the scale when not in use.
- If the scale will not be used for an extended period, it is recommended to remove the batteries to prevent leakage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display / Low battery indicator | Batteries are dead or incorrectly installed. | Replace batteries or check polarity. |
| "Err" or "O-Ld" message | Overload (weight exceeds maximum capacity) or scale malfunction. | Ensure weight is within 180 kg limit. If not overloaded, try recalibrating by stepping off and on. |
| Inaccurate readings | Scale on an uneven surface, not calibrated, or moved recently. | Place on a hard, flat surface. Step on and off to recalibrate before weighing. |
7. Specifications
- Model: PPW3320
- Dimensions: 30 x 30 x 2.1 cm (11.8 x 11.8 x 0.8 inches)
- Weight: 1.9 kg (4.19 lbs)
- Maximum Weight Capacity: 180 kg (396 lbs / 28 st 4 lbs)
- Material: Glass platform
- Display Type: LCD
- Special Features: Automatic shut-off, easy-to-read display
- Power Source: Lithium-Ion batteries (type specified in battery compartment)
8. Warranty and Support
This Bosch PPW3320 Digital Bathroom Scale comes with a manufacturer's warranty. Please refer to the warranty card included with your purchase for specific terms and conditions, including the warranty period and coverage details.
For technical support, service, or warranty claims, please contact Bosch customer service through their official website or the contact information provided in your product packaging. Please have your model number (PPW3320) and proof of purchase ready when contacting support.





