1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your De'Longhi Sfornatutto Convection Oven Timer Knob. This is an original De'Longhi replacement part designed for specific Sfornatutto electric oven models.
Compatibility: This timer knob is compatible with De'Longhi Sfornatutto electric oven models EO3850 and EO3835. Please verify your oven's model number before proceeding with installation. Compatible codes include: 0118486304 (EO 3850.A), 0118484506 (EO 3835), 0118484507 (EO3835), and 0118486305 (EO3850 CN).

Image 1: De'Longhi Sfornatutto Convection Oven Timer Knob. This image shows the front view of the timer knob, typically used for setting cooking duration on compatible De'Longhi ovens.
2. Setup and Installation
Before attempting to install the timer knob, ensure the oven is completely disconnected from the power supply to prevent electrical hazards.
- Power Disconnection: Unplug the oven from the wall outlet or switch off the circuit breaker supplying power to the oven.
- Remove Old Knob (if applicable): If replacing an existing knob, gently pull the old knob directly off the control shaft. Avoid twisting or prying forcefully, as this may damage the shaft.
- Inspect Shaft: Ensure the control shaft on the oven is clean and free from debris or damage.
- Install New Knob: Align the new De'Longhi timer knob with the control shaft. The knob typically has a flat edge or a specific orientation that matches the shaft. Gently push the knob onto the shaft until it is firmly seated. Do not force it.
- Test Fit: Once installed, gently turn the knob to ensure it rotates smoothly and engages with the oven's timer mechanism.
- Reconnect Power: Plug the oven back into the wall outlet or restore power at the circuit breaker.
If you encounter any resistance or difficulty during installation, do not force the knob. Consult a qualified technician or contact De'Longhi customer support.
3. Operating Instructions
The timer knob controls the cooking duration for your De'Longhi Sfornatutto oven. Its operation is straightforward:
- Setting the Timer: To set the desired cooking time, rotate the timer knob clockwise to the desired duration. The markings around the knob indicate minutes or hours, depending on your oven model.
- Automatic Shut-off: Once the set time elapses, the oven will typically switch off automatically, and an audible signal may sound.
- Manual Operation: Some oven models may have a continuous or "stay on" setting. Refer to your oven's main instruction manual for specific functions related to the timer knob.
- Canceling the Timer: To cancel the timer before it completes, rotate the knob counter-clockwise to the "OFF" position.
Always refer to your specific De'Longhi Sfornatutto oven's user manual for detailed operating procedures and safety guidelines.
4. Maintenance and Care
Proper care ensures the longevity and functionality of your timer knob.
- Cleaning: To clean the knob, gently wipe it with a soft, damp cloth. Use mild soap if necessary. Avoid abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish or material.
- Drying: Ensure the knob is completely dry before operating the oven.
- Avoid Excessive Force: Do not apply excessive force when turning the knob, as this can damage the internal mechanism or the control shaft.
- Storage: If the knob is removed for any reason, store it in a clean, dry place away from direct sunlight or extreme temperatures.
5. Troubleshooting
If you experience issues with your timer knob, consider the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Knob does not turn smoothly or is stiff. | Debris on shaft, incorrect installation, or damaged shaft/knob. | Remove knob, clean shaft, re-install correctly. If issue persists, inspect for damage. |
| Timer does not activate or oven does not turn off. | Knob not fully engaged, internal oven timer malfunction, or incorrect model compatibility. | Ensure knob is fully seated. Verify oven model compatibility. Consult oven's main manual or a technician. |
| Knob falls off easily. | Shaft or knob opening is worn, or knob not pushed on firmly enough. | Push knob firmly onto shaft. If it continues to fall off, the knob or shaft may be worn and require replacement. |
For complex issues or if troubleshooting steps do not resolve the problem, it is recommended to contact De'Longhi customer support or a certified appliance technician.
6. Specifications
- Brand: De'Longhi
- Compatible Models: EO3850 (0118486304, 0118486305), EO3835 (0118484506, 0118484507)
- Product Dimensions (L x W x H): 6.5 x 6.5 x 4 cm
- Item Weight: 10 grams
- Material: (Information not provided in source, typically plastic/metal)
7. Warranty and Support
This timer knob is an original De'Longhi spare part. Warranty coverage for spare parts typically aligns with the warranty of the original appliance or specific spare part warranty terms provided by the manufacturer at the time of purchase.
For detailed warranty information, product support, or to purchase additional genuine De'Longhi spare parts, please visit the official De'Longhi website or contact their customer service department directly. Keep your purchase receipt as proof of purchase.
De'Longhi Official Website: www.delonghi.com





