1. Introduction
This manual provides essential information for the installation, maintenance, and troubleshooting of the DONPER 330-01-Y04-X Refrigerator Inverter Board. This board is a universal original drive component designed for use in Haier refrigerators. It is crucial to read and understand all instructions before attempting any installation or repair to ensure safety and proper functionality.
2. Safety Information
WARNING: Risk of Electric Shock!
- Always disconnect the refrigerator from the main power supply before attempting any installation, maintenance, or repair.
- After unplugging the system, wait at least 30 seconds before touching any terminals to allow capacitors to discharge.
- Only qualified technicians should perform installation and repair procedures. Improper handling of electrical components can result in serious injury or death.
- Wear appropriate personal protective equipment (PPE), such as insulated gloves and safety glasses.
- Ensure the work area is dry and well-lit.
3. Specifications
The DONPER 330-01-Y04-X Inverter Board features the following technical specifications:
| Parameter | Value |
|---|---|
| Model | 330-01-Y04-X |
| Input Voltage | 220-240V |
| Input Frequency | 50Hz |
| Input Current | 1.9A |
| Input Phase | 1PH |
| Output Voltage | 65-180V |
| Output Frequency | 40-150Hz |
| Output Current | 2A |
| Output Phase | 3PH |
| Fixed Type | Hook |
| Use | DOOR (Refrigerator) |
| Origin | Mainland China |
4. Installation (Setup)
This section outlines the general steps for replacing a refrigerator inverter board. Professional installation is highly recommended.
- Disconnect Power: Ensure the refrigerator is completely unplugged from the electrical outlet.
- Wait for Discharge: Wait at least 30 seconds after disconnecting power to allow any residual electrical charge in capacitors to dissipate.
- Access the Board: Locate and carefully remove the access panel or cover that houses the existing inverter board. This location varies by refrigerator model (often near the compressor).
- Document Connections: Before disconnecting any wires, take clear photos or make a diagram of all electrical connections to the old board.
- Remove Old Board: Carefully disconnect all wiring harnesses and mounting screws/clips securing the old inverter board. Note that this board uses a 'Hook' fixed type for mounting.
- Install New Board: Position the new DONPER 330-01-Y04-X board in the same location as the old one, ensuring it is securely mounted using its 'Hook' mechanism and any necessary fasteners.
- Reconnect Wiring: Using your documented photos/diagrams, carefully reconnect all wiring harnesses to the new board. Ensure all connections are firm and correctly seated.
- Secure Access Panel: Replace any access panels or covers that were removed.
- Restore Power: Plug the refrigerator back into the electrical outlet.
- Test Functionality: Monitor the refrigerator to ensure it powers on, the compressor starts, and cooling begins as expected.
5. Operation
The DONPER 330-01-Y04-X Refrigerator Inverter Board is an internal component that operates automatically as part of your refrigerator's cooling system. It is responsible for converting the incoming AC power to variable frequency AC power to control the speed of the compressor motor, optimizing cooling performance and energy efficiency. There is no direct user interaction required with the inverter board itself once it is correctly installed and the refrigerator is powered on.
6. Maintenance
As an electronic component, the inverter board requires minimal direct maintenance. However, adhering to general best practices can prolong its lifespan:
- Keep Dry: Ensure the area where the inverter board is located remains dry and free from moisture.
- Dust Control: Periodically clean the area around the board to prevent excessive dust accumulation, which can impede heat dissipation.
- Visual Inspection: During any other refrigerator maintenance, visually inspect the board for signs of damage, such as burnt components, swollen capacitors, or loose connections.
- Ventilation: Ensure that the refrigerator's ventilation system is not obstructed, allowing for proper airflow around internal components.
7. Troubleshooting
If your refrigerator is experiencing issues after installing or while using the DONPER 330-01-Y04-X inverter board, consider the following common troubleshooting steps. Always ensure power is disconnected before inspecting internal components.
- Refrigerator Not Cooling: If the refrigerator is not cooling, and the compressor is not running, the inverter board may be faulty or incorrectly installed.
- Compressor Not Starting: A common symptom of an inverter board issue is the compressor failing to start or attempting to start and then immediately shutting off.
- Unusual Noises: While less common for the board itself, unusual electrical buzzing or clicking sounds from the compressor area could indicate an issue with the inverter board or its connections.
- Check Connections: Verify that all wiring harnesses are securely connected to the inverter board and the compressor.
- Power Supply: Ensure the refrigerator is receiving proper power.
If these steps do not resolve the issue, it is recommended to consult a qualified appliance repair technician for diagnosis and repair.
8. User Tips
- Verify Compatibility: Always double-check the model number of your existing inverter board and refrigerator to ensure full compatibility with the DONPER 330-01-Y04-X before purchase and installation.
- Handle with Care: Electronic components are sensitive. Avoid touching the circuit board directly with bare hands to prevent static discharge damage.
- Professional Help: If you are unsure about any step of the installation or troubleshooting process, do not hesitate to seek assistance from a certified appliance technician.
- Environmental Disposal: When replacing the old board, dispose of it responsibly according to local electronic waste regulations.
9. Warranty and Support
For any warranty-related inquiries, technical support, or assistance with product issues, please contact the seller or your original point of purchase. Ensure you have your purchase details and the product model number (330-01-Y04-X) readily available when seeking support.





