1. Introduction
Thank you for choosing the Lifelong Digital Air Fryer LLHFD722. This appliance is designed to provide a healthier way to cook your favorite meals, utilizing rapid air circulation technology to fry, bake, roast, and grill with little to no oil. Please read this manual thoroughly before first use to ensure safe and optimal operation.

Figure 1.1: Lifelong Digital Air Fryer LLHFD722. This image shows the front view of the air fryer with its digital touch screen and silver and black finish.
2. Important Safety Instructions
When using electrical appliances, basic safety precautions should always be followed to reduce the risk of fire, electric shock, and injury.
- 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.
- Ensure adequate ventilation around the appliance during use.
3. Product Components
Familiarize yourself with the main parts of your Lifelong Digital Air Fryer LLHFD722:
- Main Unit: The primary housing of the air fryer.
- Frying Basket: The removable container where food is placed for cooking.
- Frying Tray: Sits inside the frying basket, allowing air circulation around food and collecting excess oil.
- Control Panel: LED touch screen for setting temperature, time, and selecting preset modes.
- Handle: For safely pulling out and inserting the frying basket.

Figure 3.1: Air Fryer Basket. This image shows the interior of the air fryer with the removable frying basket and tray.
4. Initial Setup
Before using your air fryer for the first time, follow these steps:
- Unpack: Remove all packaging materials, stickers, and labels from the appliance.
- Clean: Wash the frying basket and frying tray with hot water, dish soap, and a non-abrasive sponge. Wipe the inside and outside of the appliance with a damp cloth.
- Placement: Place the air fryer on a stable, horizontal, and heat-resistant surface. Ensure there is at least 10 cm (4 inches) of free space on the back and sides, and 10 cm (4 inches) above the appliance to allow for proper ventilation.
- First Use Odor: It is normal for the appliance to emit a slight odor during its first few uses. This is harmless and will dissipate.
5. Operating Instructions
5.1 Control Panel Overview

Figure 5.1: Digital Touch Screen. This image displays the LED touch screen with temperature, time, and various preset cooking icons.
The Lifelong Digital Air Fryer LLHFD722 features an intuitive LED touch screen for easy operation:
- Power Button: Turns the appliance on/off.
- Temperature Controls (+/-): Adjusts cooking temperature.
- Time Controls (+/-): Adjusts cooking time.
- Preset Icons: Select from 12 pre-programmed cooking modes for common dishes.
- Start/Pause Button: Initiates or pauses the cooking cycle.
5.2 Basic Cooking Steps

Figure 5.2: Step-by-Step Usage Guide. This image illustrates the four basic steps for using the air fryer: pulling out the tray, placing food, pushing the tray in, and removing food after cooking.
- Prepare Food: Place your ingredients into the frying basket. Do not overfill.
- Insert Basket: Slide the frying basket back into the main unit until it clicks into place.
- Power On: Press the Power button to turn on the display.
- Set Time and Temperature: Manually adjust the temperature and time using the +/- buttons, or select a preset cooking mode.
- Start Cooking: Press the Start/Pause button to begin the cooking process.
- Shake/Flip (Optional): For even cooking, some recipes may require shaking or flipping ingredients halfway through. Pull out the basket, shake/flip, and reinsert. The air fryer will resume automatically.
- Finish Cooking: The air fryer will beep when the cooking time is complete. Carefully pull out the basket and remove the cooked food.
5.3 Key Cooking Features

Figure 5.3: 360° Heat Circulation. This image illustrates the internal airflow within the air fryer, showing hot air circulating around food for even cooking.
- 360° Heat Circulation: The advanced technology ensures hot air circulates rapidly and evenly, providing a crispy exterior and tender interior for your food.
- Rapid Heat Technology: Achieves desired cooking temperatures quickly, often eliminating the need for preheating.
- Little to No Oil: Cook with significantly less oil compared to traditional frying methods, reducing fat content by up to 85%.
- Versatile Cooking: This appliance functions as an air fryer, electric oven, and deep fryer, offering capabilities for roasting, toasting, baking, reheating, and warming.
6. Maintenance and Cleaning
Regular cleaning ensures optimal performance and extends the lifespan of your air fryer.
- Before Cleaning: Always unplug the air fryer and allow it to cool completely before cleaning.
- Frying Basket and Tray: These parts are dishwasher safe. Alternatively, wash them with hot water, dish soap, and a non-abrasive sponge. For stubborn residue, soak in warm, soapy water for about 10 minutes.
- Interior: Wipe the interior with a damp cloth. Do not use abrasive cleaners or metal scouring pads.
- Exterior: Clean the exterior with a damp cloth. Do not immerse the main unit in water or any other liquid.
- Heating Element: Use a cleaning brush to remove any food residue from the heating element.
7. Troubleshooting Guide
If you encounter any issues with your air fryer, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Air fryer does not turn on. | Appliance is not plugged in. Power outlet is not working. | Ensure the power cord is securely plugged into a working electrical outlet. |
| Food is not cooked evenly. | Basket is overloaded. Food pieces are too large. | Do not overload the basket. Cut food into smaller, uniform pieces. Shake or flip food halfway through cooking. |
| Food is not crispy. | Not enough oil (if applicable). Temperature too low or time too short. | Lightly brush or spray food with oil. Increase temperature or cooking time. Ensure basket is not overcrowded. |
| White smoke comes from the appliance. | Grease residue from previous use. Fatty ingredients being cooked. | Clean the basket and tray thoroughly after each use. Remove excess fat from ingredients before cooking. |
| Appliance emits a burning smell. | Food residue on the heating element. | Unplug and allow to cool. Clean the heating element carefully. |
8. Product Specifications

Figure 8.1: Air Fryer Dimensions. This image provides a visual reference for the approximate height of the air fryer, indicating 13 inches or 33 cm.
| Feature | Detail |
|---|---|
| Model Number | LLHFD722 |
| Capacity | 7.5 Litres |
| Power | 1400 Watts |
| Voltage | 220 Volts |
| Control Method | Touch (LED Digital Screen) |
| Special Features | Programmable, Temperature Control, Timer |
| Product Dimensions (D x W x H) | 32.7D x 35.2W x 38.3H Centimeters |
| Item Weight | 6.5 Kilograms |
| Material | Plastic |
| Nonstick Coating | Yes |
| Dishwasher Safe Parts | Yes (Basket and Tray) |
| Country of Origin | China |
9. Warranty and Customer Support
Your Lifelong Digital Air Fryer LLHFD722 comes with a 1 Year Manufacturer's Warranty from the date of purchase.
For warranty claims, technical assistance, or any product-related inquiries, please contact Lifelong customer support:
- Telephone: +91 9711558877
- Email: customercare@lifelongonline.com
- Manufacturer Address: 5th Floor, Unit No. 508, DLF South Court, Saket District Center, Saket New Delhi, India - 110017
Please retain your purchase receipt as proof of purchase for warranty purposes.





