1. Safety Instructions
Please read and understand all safety instructions before operating the AIFEN A9E Soldering Station. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- The soldering iron tip operates at temperatures between 100℃-450℃ (212°F-842°F). Exercise extreme caution.
- Do not touch the metal parts near the soldering iron tip.
- Do not use the soldering iron near flammable materials or in explosive atmospheres.
- Inform others in the work area about the hot soldering iron tip to prevent accidental burns.
- Always turn off the power when the station is not in use or when you are finished with your work.
- When replacing components or soldering tips, ensure the power is off and allow the soldering iron tip to cool down to room temperature.
- This product operates at a rated voltage and frequency. Refer to the label on the back of the machine for specific details.
- Do not use the product if it is damaged, especially if the power cable is compromised.
- The product uses a three-wire grounded plug. It must be inserted into a three-hole grounded socket. Do not modify the plug or use an ungrounded adapter. If an extension cord is needed, use a grounded three-wire power cord.
- Do not use the soldering iron tip for any purpose other than welding.
- Do not tap the soldering iron on the workbench to remove flux residue, as this can severely damage the tip.
- Use only original factory replacement parts.
- Do not modify the soldering iron without authorization.
- Do not wet the soldering iron or operate it with wet hands.
- Welding produces smoke; ensure adequate ventilation in the work area.
- Do not perform any actions that could harm yourself or damage objects while using the soldering iron.
- Keep this product out of reach of children and ensure it is used under adult supervision.
2. Product Overview
The AIFEN A9E Soldering Station is designed for precision welding and rework tasks. It features rapid heating and temperature recovery, compatible with various handle types.

- Handle: Ergonomic design for comfortable use.
- Puller: For easy removal of soldering tips.
- Handle Bracket: Securely holds the soldering iron when not in use.
- Display Area: Digital screen showing actual and set temperatures, power progress bar, and other indicators.
- Save Key (CH1, CH2, CH3): Buttons for storing and recalling temperature presets.
- Copper Wire Cleaning Ball: For dry cleaning of soldering tips.
- Set Key: For entering settings menus and confirming selections.
- Cleaning Sponge: For wet cleaning of soldering tips.
- Temperature Adjustment Buttons (▲/▼): For increasing or decreasing temperature.
- HUB: Connection point for the soldering iron handle.
- Aluminum Bracket: Provides stability for the handle.
3. Specifications
| Feature | Specification |
|---|---|
| Input Voltage | AC100-240V 50/60Hz |
| Power | 120W |
| Peak Power | 160W (MAX) |
| Temperature Control Range | 100℃-450℃ (212°F-842°F) |
| Compatible Tips | 210/115/245 Series |
| Host Weight | 0.87 KG |
| Dimensions (W x D x H) | 140mm x 135mm x 120mm |
| Certifications | CE, RoHS, WEEE |
| Origin | Mainland China |


4. Setup and Connection
Before connecting or disconnecting the handle, ensure the power is off to prevent damage to the control circuit board.
- Connect the soldering iron handle to the handle socket on the main unit.
- Install the desired heating core into the handle.
- Place the soldering station on a stable surface and rest the handle on its designated holder.
- Connect the power supply to a suitable grounded outlet.
- Turn on the power switch. The display will show "---", indicating the station is in standby mode.
5. Operating Instructions
5.1. Temperature Adjustment
- Increasing Temperature: Press the "▲" button once to increase the set temperature by 1°C. The display will show the set temperature. Press and hold "▲" for at least one second for rapid temperature increase; release when the target temperature is reached.
- Decreasing Temperature: Press the "▼" button once to decrease the set temperature by 1°C. The display will show the set temperature. Press and hold "▼" for at least one second for rapid temperature decrease; release when the target temperature is reached.
5.2. Memory Storage and Recall
- Storing Presets: After setting your desired temperature, select an empty channel (CH1, CH2, or CH3). Press and hold the corresponding CH button to save the current temperature setting to that channel.
- Recalling Presets: Briefly press (less than 1 second) the CH1, CH2, or CH3 button to recall the stored temperature setting for that channel.
5.3. Celsius/Fahrenheit Conversion
While the station is powered on, briefly press the "SET" button to switch the temperature display between Celsius (°C) and Fahrenheit (°F).
5.4. Key Lock Setting
To enable or disable the key lock function:
- Turn off the main unit.
- Press and hold the "CH1" button.
- While holding "CH1", turn on the power switch.
- The display will show "" if the key lock is enabled, or "" if disabled.
5.5. Buzzer Setting
To enable or disable the buzzer sound:
- Turn off the main unit.
- Press and hold the "CH2" button.
- While holding "CH2", turn on the power switch.
- The display will show "" and emit a beep if the buzzer is enabled, or "" if disabled.
5.6. Standby Temperature Setting
To set the standby temperature:
- Turn off the main unit.
- Press and hold the "CH3" button.
- While holding "CH3", turn on the power switch to enter the standby temperature setting interface.
- Available standby temperatures are 0°C, 150°C, 180°C, and 200°C. Selecting 0°C will turn off the standby function.
- Briefly press "CH3" to save the setting and exit.
5.7. Temperature Calibration
Recalibration is required every time the heating element is replaced.
- With the main unit powered on, press and hold the "SET" button to enter temperature calibration mode.
- Use the "▲" and "▼" buttons to adjust the temperature.
- Press "SET" again to save the calibration and exit the mode.
6. Wire-Controlled Handle Operation (A9 Wire-Controlled Version Only)
These functions are exclusive to the wire-controlled version of the A9E Soldering Station. The standard version does not have these features.
6.1. Handle Temperature Adjustment
In working mode, use the temperature adjustment buttons located on the handle to increase or decrease the temperature directly.
6.2. Handle Machine Switch
In working mode, press and hold both temperature adjustment buttons on the handle simultaneously to turn the host interface on or off.
7. Maintenance
7.1. Soldering Tip Care
- Temperature Selection: Using excessively high temperatures can degrade tip performance. Select the lowest possible temperature for your task. The A9E's excellent temperature recovery allows for effective soldering at lower temperatures, protecting sensitive components.
- Regular Cleaning: Regularly clean the soldering tip with a copper wire cleaning ball. Residues from flux, such as oxides and carbides, can damage the tip, lead to soldering errors, and reduce heat conduction. The A9E Pro model includes a cleaning copper brush.
- Cleaning When Not in Use: Do not leave the soldering iron tip at high temperatures for extended periods when not in use. This can cause solder on the tip to oxidize, significantly reducing its heat conduction efficiency.
- After Use: After each use, clean the soldering iron tip and apply a fresh layer of tin to prevent oxidation.
7.2. Checking and Cleaning the Soldering Iron Tip
Note: Do not use a file or abrasive to remove oxide from the soldering iron tip.
- Set the station temperature to 250°C (482°F).
- Once the temperature stabilizes, clean the tip with a damp cleaning sponge and inspect its condition.
- If the tinned part of the soldering iron tip shows black oxide, apply a new layer of tin, then clean the tip with a cleaning sponge until all oxide is removed.
- If the soldering iron tip is deformed or heavily rusted, it must be replaced.
7.3. Replacing the Heating Core
The heating core is integrated with the soldering head. To replace it:
- Turn off the power to the soldering station.
- Allow the heating core to cool completely.
- Carefully unplug the old heating core from the handle.
- Insert the new heating core into the handle until it is securely seated.
8. Troubleshooting
The AIFEN A9E Soldering Station is designed for reliability, but should you encounter issues, refer to the following common error codes and solutions:
- S-E Error: This error is displayed if the heating core of the soldering station is burnt out or if the heating core is not properly inserted into the handle. An intermittent buzzer will sound.
- H-A Error: This error is displayed if the heating core is burnt out and short-circuited. A continuous beeping sound will be emitted. To resolve this, remove the short-circuited heating core, turn off the power to the main unit for 3 minutes, and then restart the station.
9. User Tips
- Tip Compatibility: The AIFEN A9E is compatible with 210, 115, and 245 series tips. Ensure you select the correct tip type for your specific soldering needs.
- Ventilation is Key: Always work in a well-ventilated area to avoid inhaling fumes produced during soldering.
- Keep Tips Clean: Regularly cleaning your soldering tips with the copper wire ball or a damp sponge will extend their lifespan and ensure optimal heat transfer. Oxidized tips perform poorly.
- Temperature Presets: Utilize the CH1, CH2, and CH3 memory functions to quickly switch between frequently used temperatures for different types of solder or components.
- Power Off When Not in Use: To prolong the life of your heating elements and for safety, always turn off the station when not actively soldering.
10. Warranty and Support
The AIFEN A9E Soldering Station is certified with CE, RoHS, and WEEE, indicating compliance with relevant European safety, health, and environmental protection requirements.
For detailed warranty information, technical support, or further assistance, please refer to the official user manual PDF available at: AIFEN A9/A9PRO User Manual (PDF). You may also contact the seller, AIFEN Tool Store, for specific inquiries.
11. Compliance
This product complies with the following standards:
- CE: Conforms to European Union health, safety, and environmental protection standards.
- RoHS: Compliant with the Restriction of Hazardous Substances Directive.
- WEEE: Compliant with the Waste Electrical and Electronic Equipment Directive, promoting proper disposal and recycling.





