1. Introduction
Thank you for choosing the Haier Series 4 HOR38G5FT Built-in Microwave with Grill. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your appliance. Please read these instructions carefully before using the microwave oven and keep them for future reference.
2. Safety Information
General Safety:
- Read all instructions before using the appliance.
- Do not attempt to operate this oven with the door open as this can result in harmful exposure to microwave energy.
- Do not place any object between the oven front face and the door or allow soil or cleaner residue to accumulate on sealing surfaces.
- Do not operate the oven if it is damaged. It is particularly important that the oven door closes properly and that there is no damage to the: (1) door (bent), (2) hinges and latches (broken or loosened), (3) door seals and sealing surfaces.
- The oven should not be adjusted or repaired by anyone except properly qualified service personnel.
Electrical Safety:
- Ensure the appliance is properly grounded.
- Do not immerse the cord, plug, or oven in water or other liquid.
- Do not let the cord hang over the edge of a table or counter.
Food Safety:
- Do not heat liquids or other foods in sealed containers since they are liable to explode.
- Always use microwave-safe cookware.
- Supervise food when heated in plastic or paper containers due to the possibility of ignition.
- Do not use metal utensils or containers during microwave cooking.
3. Product Overview
The Haier Series 4 HOR38G5FT is a 28-liter built-in microwave oven featuring a grill function, digital touch display, and an electronic door opening system. It is designed for seamless integration into your kitchen cabinetry.

Figure 3.1: Front view of the Haier Series 4 HOR38G5FT Built-in Microwave.
Components
- Oven Cavity: The interior space where food is cooked.
- Turntable (31.5cm): A rotating glass plate that ensures even cooking.
- Grill Rack: Used for grilling functions.
- Electronic Door Opening System: For convenient access to the oven cavity.
- Cooling Fan: Helps dissipate heat during and after operation.

Figure 3.2: The microwave with its electronic door opening system activated, showing the interior cavity.
Control Panel
The microwave features an intuitive digital touch display for easy control of all functions.

Figure 3.3: Detailed view of the digital touch control panel.

Figure 3.4: Close-up of the digital display, indicating time or cooking settings.
Key indicators and buttons on the display include:
- Digital Clock: Displays current time.
- Function Icons: Indicate selected cooking modes (e.g., microwave, grill, defrost).
- Start/Stop Buttons: To initiate or pause/cancel cooking.
- Time/Weight Adjustment: For setting cooking duration or food weight.
- Child Lock Indicator: Shows when the child lock is active.
4. Setup and Installation
This microwave oven is designed for built-in installation. Proper installation is crucial for safety and optimal performance.
Unpacking
- Carefully remove all packaging materials from the microwave oven and its accessories.
- Check the oven for any damage, such as dents or a misaligned door. Do not install if damaged.
- Retain packaging materials for future transport or disposal.
Installation Requirements
- Integration Cavity Dimensions: The required cavity dimensions for integration are approximately 38 cm (height) x 56 cm (width) x 50 cm (depth).
- Ventilation: Ensure adequate ventilation space around the appliance as specified in the full installation guide provided with the product.
- Electrical Connection: The microwave requires a 230 Volt electrical supply. Ensure the electrical outlet is easily accessible after installation.
- Level Surface: The microwave must be installed on a stable, level surface within the cabinet.
Refer to the detailed installation instructions provided in the separate installation manual for precise steps and diagrams.
Initial Use
- Before first use, clean the oven cavity and accessories with a damp cloth.
- Place the turntable and turntable support ring correctly inside the oven.
- Set the current time on the digital clock.
5. Operating Instructions
Your Haier microwave offers various cooking functions to suit your needs.
Basic Microwave Cooking
- Place food in a microwave-safe container on the turntable.
- Close the oven door.
- Select the desired power level using the touch controls.
- Set the cooking time.
- Press the 'Start' button to begin cooking.
- An acoustic end signal will sound when cooking is complete.
Grill Function
The grill function is ideal for browning and crisping food.
- Place food on the grill rack, which should be placed on the turntable.
- Close the oven door.
- Select the grill function from the touch display.
- Set the desired grilling time.
- Press 'Start'.
Auto Menus
The microwave includes 8 pre-programmed auto menus for common dishes. Refer to the full instruction manual for a list of these menus and their usage.
Child Lock
To activate the child lock, press and hold the designated child lock button (or combination of buttons) on the touch panel for a few seconds until the indicator appears. This prevents accidental operation by children. Repeat the process to deactivate.
hOn App Integration
Enhance your cooking experience by connecting your microwave to the hOn App. The app provides access to a variety of recipes and step-by-step preparation guides.

Figure 5.1: Accessing recipes and cooking guides via the hOn App.
Download the hOn App from your device's app store and follow the in-app instructions to pair your microwave.
6. Maintenance and Cleaning
Regular cleaning and maintenance will ensure the longevity and optimal performance of your microwave oven.
Cleaning the Oven Interior
- Always unplug the microwave before cleaning.
- Wipe the interior cavity after each use with a damp cloth to remove food splatters.
- For stubborn stains, use a mild detergent or a microwave-safe cleaner. Avoid abrasive cleaners or scouring pads.
- The glass turntable can be removed and washed in warm soapy water or in a dishwasher.
Cleaning the Exterior
- Clean the exterior surfaces, including the door and control panel, with a soft, damp cloth.
- Do not allow water to seep into the ventilation openings.
- Ensure the door seals and sealing surfaces are kept clean to maintain proper operation.
7. Troubleshooting
If you encounter any issues with your microwave, refer to the following common problems and solutions before contacting service.
| Problem | Possible Cause | Solution |
|---|---|---|
| Microwave does not start | Power cord not plugged in; Door not closed properly; Fuse blown or circuit breaker tripped. | Ensure power cord is securely plugged in; Close the door firmly; Check household fuse/circuit breaker. |
| Food not heating | Incorrect cooking time/power level; Metal in oven; Door not closed properly. | Adjust time/power; Remove any metal objects; Ensure door is fully closed. |
| Turntable not rotating | Turntable not correctly placed; Debris under turntable. | Reposition turntable and support ring; Clean under the turntable. |
| Display not working or dim | Power issue; Child lock active. | Check power supply; Deactivate child lock. |
If the problem persists after trying these solutions, please contact Haier customer service.
8. Specifications
Technical specifications for the Haier Series 4 HOR38G5FT Built-in Microwave with Grill:
- Brand: Haier
- Model Number: 38900671
- Color: Black
- Product Dimensions (H x W x D): 38.8 x 59.5 x 54 cm
- Weight: 16.1 kg
- Capacity: 28 Liters
- Power: 1450 Watts
- Voltage: 230 Volts
- Material: Stainless Steel
- Special Features: Acoustic end signal, Electronic opening system, Cooling fan
- Installation Type: Built-in
- Included Components: Electrical connection cable, Grill rack, Instruction manual, Built-in microwave, 31.5cm Turntable
9. Warranty and Support
For detailed warranty information, please refer to the warranty card included with your product or visit the official Haier website. For technical support, troubleshooting assistance beyond this manual, or spare parts, please contact Haier customer service. You can also find additional resources and recipes through the hOn App.





