If the red light system of the handheld welding machine fails, the following parts may need to be replaced:
1. **Red Light Indicator**:
– **Function**: The Red Light Indicator is used to display the red light of the light guide.
– Reason for Replacement: If the red light indicator is damaged or the internal circuit is faulty, it needs to be replaced.
2. **Power Module**:
– **Function**: Provide a stable power supply to the red light indicator.
– Reason for replacement: If the power supply of the power module is unstable or damaged, it needs to be replaced.
3. **Fiber Optic & Fiber Optic Connectors**:
– **Function**: Transmits laser light and red light.
– Reason for Replacement: If the fiber or fiber connector is damaged or poorly connected, it needs to be replaced.
4. **Control Board**:
– **Function**: Control the red light on and off, and set the parameters.
– **Reason for Replacement**: If the control board is faulty or cannot control the red light properly, it needs to be replaced.
5. **Protective Lens & Focusing Lens**:
– **Function**: Protects the optics of the laser and the red light indicator to ensure that the light path is clear.
– **Reason for Replacement**: If the lens has dust, oil or burn spots that affect the red light display, it needs to be replaced.
6. **Cables & Connectors**:
– **Function**: Connect the red light indicator, control board, and power supply.
– Reason for Replacement: If the cable or connector is damaged or in poor contact, it needs to be replaced.
### Replacement Steps:
1. **Turn off the power**: Before replacing any parts, turn off the power of the welding machine to ensure safety.
2. **Remove Damaged Parts**: Use appropriate tools to remove damaged red light indicators, power modules, optical fibers, control boards or lenses, etc.
3. **Install new parts**: Correctly install the new red light indicator, power module, optical fiber, control board or lens, etc., according to the user’s manual of the device.
4. **Reconnect**: Make sure all cables and connectors are tightly connected and not loose.
5. **Test the red light system**: Turn on the power of the welding machine, perform the red light function test, and confirm that the red light display is normal.
### Ensure safety:
Always make sure the power is turned off and follow the safety guidelines in the manual during the replacement of parts.
If you need further assistance or technical support, please feel free to contact Yousheng Laser Co., Ltd.:
– **Contact Number**: 886-4-24263121
– **Contact Email**: asia.laser@msa.hinet.net