1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of the Fujitsu Air Conditioner Control Board, model K06AL-04-02 (Part Number 9707386042). This circuit board is designed as a replacement or repair part for compatible Fujitsu air conditioning units. Please read this manual thoroughly before attempting any installation or service.
2. Safety Information
WARNING: Installation and servicing of this control board should only be performed by qualified and experienced technicians. Improper installation or repair can result in electric shock, fire, or damage to the air conditioning unit and personal injury.
- Always disconnect power to the air conditioning unit before installing, removing, or servicing the control board.
- Ensure proper grounding of the air conditioning unit.
- Do not touch live electrical components.
- Wear appropriate personal protective equipment (PPE), including insulated gloves and safety glasses.
- Verify that the replacement board is compatible with your specific air conditioner model before installation.
- Keep the control board dry and free from moisture.
3. Product Overview
The Fujitsu Air Conditioner Control Board K06AL-04-02 (9707386042) is a critical component responsible for managing the various functions of your Fujitsu air conditioning system. It processes signals from sensors and user inputs to control the compressor, fan, and other operational elements, ensuring efficient and reliable performance.
Figure 3.1: Top view of the Fujitsu Air Conditioner Control Board K06AL-04-02.
Figure 3.2: Detailed top view of the control board, showing various components and connectors.
Figure 3.3: Bottom view of the Fujitsu Air Conditioner Control Board K06AL-04-02.
4. Specifications
| Feature | Detail |
|---|---|
| Item Name | Air Conditioner Control Board |
| Brand | Fujitsu |
| Model Number | K06AL-04-02 |
| Part Number | 9707386042 |
| Type | PCB (Printed Circuit Board), Air Conditioner Parts |
| Application | Home Air Conditioning Units |
| Certification | CE |
| Electric | No (Component for electric appliance) |
| High-concerned chemical | None |
| Origin | Mainland China |
5. Setup and Installation
Installation of the control board requires technical expertise. It is strongly recommended that a certified HVAC technician performs the installation to ensure safety and proper functionality.
5.1 Pre-Installation Checks
- Verify Compatibility: Before installation, confirm that the model number K06AL-04-02 and part number 9707386042 match your existing board or the requirements of your Fujitsu air conditioner unit.
- Power Disconnection: Ensure the main power supply to the air conditioning unit is completely disconnected at the circuit breaker.
- Documentation: Refer to the original air conditioner unit's service manual for specific wiring diagrams and installation procedures.
Figure 5.1: Close-up view showing the model number K06AL-04-02 and part number 9707386042 printed on the control board.
5.2 Installation Steps (General Guidance)
- Access the existing control board compartment in your air conditioning unit.
- Carefully disconnect all wiring and connectors from the old board, noting their positions and orientations. Taking photos before disconnection is highly recommended.
- Remove the old control board.
- Install the new K06AL-04-02 control board in the same position.
- Reconnect all wiring and connectors to the new board, ensuring secure and correct connections. Double-check all connections against your notes or photos.
- Secure the control board and close the compartment.
- Restore power to the air conditioning unit.
- Test the functionality of the air conditioner.
For detailed wiring diagrams and specific installation instructions, please consult the comprehensive User Manual (PDF) provided by the manufacturer.
6. Operating Instructions
This control board is an internal component of a Fujitsu air conditioning unit. Its operation is integrated into the overall system. There are no direct user-operable controls on the board itself. The air conditioner's functions are controlled via its standard user interface (e.g., remote control, wall-mounted thermostat) as described in the air conditioner's primary user manual.
Ensure the air conditioner unit is powered on and functioning correctly after installation of the control board. If the unit does not respond as expected, refer to the troubleshooting section.
7. Maintenance
The control board itself requires minimal maintenance. However, regular maintenance of the overall air conditioning unit is crucial for the longevity and performance of all its components, including the control board.
- Keep Clean: Ensure the area around the control board within the air conditioner unit is free from dust, debris, and pests.
- Avoid Moisture: Protect the unit from excessive moisture or water leaks, which can damage electronic components.
- Professional Inspection: Have your air conditioning unit professionally inspected and serviced annually to ensure all components, including the control board, are in good working order.
8. Troubleshooting
If your air conditioning unit experiences issues after replacing the control board, consider the following troubleshooting steps:
- Power Check: Verify that the air conditioning unit is receiving power and that the circuit breaker has not tripped.
- Connections: Double-check all electrical connections to the control board for looseness or incorrect placement. Refer to your installation notes or the unit's service manual.
- Compatibility: Reconfirm that the installed control board (K06AL-04-02, 9707386042) is indeed the correct model for your specific Fujitsu air conditioner.
- Professional Assistance: If problems persist, it is highly recommended to contact a qualified HVAC technician for diagnosis and repair.
- Contact Support: If you encounter issues and suspect the board itself, please contact the seller or manufacturer for assistance.
User Tips
- Always confirm the exact model and part number of your existing control board before purchasing a replacement to ensure perfect compatibility.
- When replacing the board, take clear photographs of all wiring connections before disconnecting them to aid in reassembly.
9. Warranty and Support
This Fujitsu Air Conditioner Control Board K06AL-04-02 comes with a 3-month warranty from the date of purchase. This warranty covers manufacturing defects under normal use conditions.
For warranty claims, technical support, or further inquiries, please contact your point of purchase or the manufacturer directly. When contacting support, please have your product model number (K06AL-04-02) and part number (9707386042) readily available.
For additional technical documentation, including detailed diagrams and service instructions, please refer to the official PDF manual.