Introduction
Thank you for choosing the WOLTU 28L Mini Oven. This manual provides essential information for the safe and efficient operation, maintenance, and care of your new appliance. Please read these instructions thoroughly before first use and keep them for future reference.
Important Safety Instructions
WARNING: To reduce the risk of fire, electric shock, or injury, always follow these basic safety precautions.
- Read all instructions before using the appliance.
- Do not touch hot surfaces. Use handles or knobs.
- To protect against electric shock, do not immerse cord, plugs, or the appliance in water or other liquid.
- Close supervision is necessary when any appliance is used by or near children.
- Unplug from outlet when not in use and before cleaning. Allow to cool before putting on or taking off parts.
- Do not operate any appliance with a damaged cord or plug, or after the appliance malfunctions or has been damaged in any manner. Contact customer service for examination, repair, or adjustment.
- The use of accessory attachments not recommended by the appliance manufacturer may cause injuries.
- Do not use outdoors.
- Do not let cord hang over edge of table or counter, or touch hot surfaces.
- Do not place on or near a hot gas or electric burner, or in a heated oven.
- Extreme caution must be used when moving an appliance containing hot oil or other hot liquids.
- Always attach plug to appliance first, then plug cord into the wall outlet. To disconnect, turn any control to "off", then remove plug from wall outlet.
- Do not use appliance for other than intended use.
- Oversize foods or metal utensils must not be inserted in a toaster oven as they may create a fire or risk of electric shock.
- A fire may occur if the oven is covered or touching flammable material, including curtains, draperies, walls, and the like, when in operation.
- Do not place any of the following materials in the oven: paper, cardboard, plastic, or similar materials.
- Do not store any materials, other than manufacturer's recommended accessories, in this oven when not in use.
- Do not place cooking utensils or baking dishes on the glass door.
- Always wear protective, insulated oven mitts when inserting or removing items from the hot oven.
Product Overview
The WOLTU 28L Mini Oven is a versatile appliance designed for various cooking tasks, including baking, grilling, roasting, defrosting, and reheating. It features intuitive controls and a compact design suitable for any kitchen.
Key Features:
- Intelligent Cooking: Temperature range of 100-230°C, 0-60 minute timer, and 3 heating modes (upper tube, lower tube, both tubes).
- Versatile: 28L capacity, 1600W power, suitable for 3-4 people.
- Safety and Convenience: Double glass door, anti-scald handle, non-slip feet.
- Easy Cleaning: Removable crumb tray and dishwasher-safe accessories.
Components and Controls:


Included Accessories:

- Grill Rack: For grilling and roasting.
- Baking Tray: Ideal for baking various dishes.
- Crumb Tray (Drip Tray): Collects oil drips and crumbs for easy cleaning.
- Tray Handle: For safe insertion and removal of hot accessories.
Setup and First Use
- Unpacking: Carefully remove the oven and all accessories from the packaging. Retain packaging for future transport or storage if needed.
- Initial Cleaning: Before first use, wipe the interior and exterior of the oven with a damp cloth. Wash all accessories (grill rack, baking tray, crumb tray, handle) in warm, soapy water, rinse thoroughly, and dry completely.
- Placement: Place the oven on a stable, heat-resistant, and level surface. Ensure there is adequate ventilation around the oven (at least 10-15 cm clearance on all sides and above). Do not place it near flammable materials like curtains or walls.
- First Burn-in: To eliminate any manufacturing odors, operate the oven empty for approximately 15 minutes at the maximum temperature (230°C) using the "both tubes" heating mode. Ensure the room is well-ventilated during this process. A slight odor or smoke is normal during initial use.
- Power Connection: Ensure the power cord is securely plugged into a grounded electrical outlet.
Operating Instructions
Your WOLTU Mini Oven features three control knobs for easy operation:
1. Temperature Control Knob (Top Knob)
- Turn this knob to set the desired cooking temperature from 100°C to 230°C.
- Preheat the oven to the desired temperature before placing food inside for best results.
2. Heating Mode Selector Knob (Middle Knob)
Select one of the following cooking modes:
- ◻ OFF: Oven is off.
- ◻ Lower Heating Elements: Ideal for gentle cooking or browning the bottom of dishes.
- ◻ Upper and Lower Heating Elements: Standard baking and roasting for even heat distribution.
- ◻ Lower Heating Elements & Convection: For dishes requiring heat from below with enhanced air circulation.
- ◻ Upper and Lower Heating Elements & Convection: For faster, more even cooking and browning, suitable for most dishes.
3. Timer Knob (Bottom Knob)
- Turn this knob clockwise to set the cooking time from 0 to 60 minutes.
- The oven will automatically turn off and a bell will ring when the set time has elapsed.
- To stop cooking before the timer finishes, turn the timer knob counter-clockwise to the "OFF" position.
Cooking Positions:
The oven offers multiple rack positions to accommodate different food sizes and cooking needs. Adjust the grill rack or baking tray to the appropriate height for your dish.

Maintenance and Cleaning
Regular cleaning and maintenance will ensure the longevity and optimal performance of your WOLTU Mini Oven.
- Before Cleaning: Always unplug the oven from the power outlet and allow it to cool completely before cleaning.
- Exterior Cleaning: Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners or scouring pads, as they may damage the finish.
- Interior Cleaning:
- Remove the grill rack, baking tray, and crumb tray.
- The interior walls can be wiped with a damp cloth and mild detergent. For stubborn stains, a non-abrasive oven cleaner designed for conventional ovens can be used, following the product instructions carefully. Ensure all cleaner residue is removed.
- Do not immerse the oven in water.
- Crumb Tray: The removable crumb tray (drip tray) is designed to catch food particles and oil drips.

Image Description: A hand is shown pulling out the crumb tray from the bottom of the WOLTU Mini Oven. The tray contains some crumbs, illustrating its function in collecting food debris for easy disposal and cleaning. Empty and clean the crumb tray regularly to prevent grease buildup and potential fire hazards. It can be washed with warm, soapy water or placed in a dishwasher.
- Accessories: The grill rack, baking tray, and crumb tray are dishwasher-safe for convenient cleaning.
- Glass Door: Clean the glass door with a glass cleaner or a damp cloth. Avoid harsh chemicals that could damage the glass or seals.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Oven does not turn on. |
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| Food is not cooking evenly. |
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| Excessive smoke during cooking. |
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| Timer bell does not ring. |
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Specifications
| Brand | WOLTU |
| Model Number | WOLTU |
| Capacity | 28 Liters |
| Power | 1600 Watts |
| Temperature Range | 100 - 230°C |
| Timer | 0 - 60 minutes |
| Dimensions (D x W x H) | 29.5 x 47.4 x 29.3 cm |
| Weight | 5.3 Kilograms |
| Material | Metal (body), Glass (door) |
| Control Type | Rotary Knobs |
| Special Features | Heat Resistant, Double Glass Door, Crumb Tray |
| Included Components | Grill Rack, Baking Tray, Crumb Tray, Tray Handle |
| Certifications | CE, EMC, RoHS (as per product description) |
Warranty and Support
WOLTU products are manufactured to high-quality standards. For information regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your purchase or visit the official WOLTU website.
If you encounter any issues or have questions about your WOLTU Mini Oven, please contact WOLTU customer support. Details can typically be found on the product packaging, in the included documentation, or on the WOLTU brand store page.
For online support, you may visit the WOLTU Brand Store on Amazon.