1. Introduction
The AIFEN A9ED Soldering Station is a high-performance electronic welding and rework station designed for precision soldering tasks, including phone repair. It offers fast heating, accurate temperature control, and stable operation, compatible with C115, C210, and C245 series soldering iron tips.

2. Product Components
Familiarize yourself with the main components of your AIFEN A9ED Soldering Station:

- Plug-in box: Receptacle for soldering iron handle.
- Preset temp display: Shows the target temperature.
- Soldering tips storage hole: Convenient storage for spare tips.
- Power display: Indicates the current power usage.
- Actual temp display: Shows the real-time temperature of the soldering tip.
- Memory storage display: Shows saved temperature settings.
- Memory storage button: Used to save and recall temperature presets.
- Temp setting button: Adjusts the target temperature.
- Menu button: Accesses system settings.
- Handle: The soldering iron handle.
- Hub: Connection point for the handle.
- Handle bracket: Securely holds the soldering iron when not in use.
- Clean copper wire ball: For dry cleaning of soldering tips.
- Cleaning sponge: For wet cleaning of soldering tips.
3. Setup Instructions
- Unpacking: Carefully remove all components from the packaging.
- Placement: Place the soldering station on a stable, heat-resistant surface. Ensure adequate ventilation.
- Power Connection: Connect the power cord to the station and then to a suitable power outlet. Refer to the plug type compatibility chart below.

Figure 3: Power & Plug Type Compatibility. - Handle and Tip Installation:
- Select the appropriate soldering iron handle (C115, C210, or C245 series) and tip for your task. The A9ED is compatible with all three.
- Insert the soldering iron handle into the plug-in box on the station.
- Ensure the tip is securely inserted into the handle. The station supports quick plug-out and unplug of soldering tips.

Figure 4: Quick plug-out and unplug of soldering tips.
- Initial Power On: Turn on the soldering station using the main power switch.
4. Operating Instructions
4.1. User Interface and Settings
The AIFEN A9ED features a color screen interface and the latest temperature control software. It supports multiple languages and display modes.

- Language Settings: The station supports English, Chinese, Spanish, and Russian. Navigate to "System Settings" using the menu button, then select "Language Settings" to change.

Figure 6: Language selection in System Settings. - Display Mode: You can switch between "Standard" and "Curve" display modes. The "Curve" mode provides a graphical representation of temperature and power over time.
Video 1: Demonstrating UI navigation, language settings, display modes, and soldering.
- Temperature Unit: Switch between Celsius (°C) and Fahrenheit (°F) in the System Settings.
- Temperature Calibration: Perform calibration if necessary to ensure accurate temperature readings.
- Sleep Temperature: Adjust the sleep temperature setting.
- Handle Function (Forced Sleep): Configure forced sleep settings for the handle.
- Key Lock: Enable or disable key lock to prevent accidental changes.
- Key Doubling Speed: Adjust the speed of key input.
- Brightness: Adjust screen brightness.
- Adjustable Trigger Temperature: Set a specific trigger temperature for certain functions.

Figure 7: Adjustable Trigger Temperature setting.
4.2. Setting Temperature
- Power On: Ensure the station is powered on.
- Select Channel: Use the CH1, CH2, CH3, CH4 buttons to select a preset temperature channel.
- Adjust Temperature: Use the up/down arrow buttons to adjust the desired temperature. The display will show both the actual and set temperatures.
- Save Preset (Optional): Use the memory storage button to save your frequently used temperature settings to a channel.
4.3. Soldering Operation
Once the desired temperature is reached, the station is ready for soldering. The A9ED provides stable temperature and rapid heating for efficient work.
- Prepare Workpiece: Ensure the workpiece is clean and secure.
- Apply Solder: Touch the soldering tip to the joint and apply solder. The station's quick heating ensures efficient solder flow.
- Clean Tip: Regularly clean the soldering tip using the copper wire ball or wet sponge to maintain optimal performance.
5. Maintenance
- Tip Cleaning: Always clean the soldering tip before and after use. Use the copper wire ball for dry cleaning and the wet sponge for removing stubborn residue.
- Tip Tinning: After cleaning, always tin the tip with a small amount of solder to prevent oxidation and prolong its life.
- Station Cleaning: Keep the main unit clean and free from dust and solder splashes. Use a soft, dry cloth.
- Storage: When not in use, ensure the soldering iron is placed securely in its holder and the station is powered off. Store in a dry, dust-free environment.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Station does not power on | Power cord not connected, power switch off, power outlet issue. | Check power cord connection, ensure power switch is ON, test power outlet. |
| Soldering iron not heating up | Tip not properly inserted, faulty tip, handle not connected, station in sleep mode. | Ensure tip is fully inserted, try a different tip, check handle connection, wake station from sleep mode. |
| Temperature unstable or inaccurate | Tip oxidation, poor tip contact, need for calibration. | Clean and re-tin tip, ensure tip is securely seated, perform temperature calibration. |
| Solder does not flow well | Insufficient temperature, oxidized tip, dirty workpiece. | Increase temperature, clean and re-tin tip, clean the workpiece. |
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | AIFEN A9ED |
| Maximum Power | 180W |
| Input Voltage | Universal AC 220V/AC 110V |
| Frequency | 50-60Hz |
| Temperature Range | 100°C-450°C / 212°F-842°F |
| Compatible Tips | C115, C210, C245 series |
| Product Dimensions (L*W*H) | 24cm * 21cm * 17.7cm (approx.) |
| Package Weight | 1.4 kg (approx.) |
| Origin | Mainland China |
| Smart Device | No |
8. User Tips
- For delicate work, consider using C115 tips for finer control and lower thermal mass.
- When working with larger components or ground planes, C245 tips provide higher power and better heat transfer.
- Always ensure your workspace is well-lit and free of clutter to prevent accidents and improve soldering quality.
- Experiment with the "Curve" display mode to better understand how temperature and power fluctuate during different soldering tasks.
9. Warranty and Support
The AIFEN A9ED Soldering Station is designed for reliability and performance. For any technical assistance, warranty claims, or service inquiries, please contact the seller or authorized service center. Keep your purchase receipt as proof of purchase.





