1. Introduction
Thank you for choosing the HITBOX ARC-200mini3 2-in-1 MMA LIFT TIG Welding Machine. This compact and lightweight inverter welder is designed for both MMA (Stick) and LIFT TIG welding, making it suitable for various DIY, maintenance, repair, and metal fabrication tasks. It features an intelligent LED display for easy operation and internal protection devices to ensure safe use. This manual provides essential information for the safe and efficient operation and maintenance of your welding machine.
2. Safety Precautions
Welding can be dangerous. Always follow safety guidelines to prevent injury or damage. Read and understand all safety information before operating the machine.
- Electric Shock: Can kill. Do not touch live electrical parts. Wear dry, insulating gloves and protective clothing. Ensure the workpiece is properly grounded.
- Fumes and Gases: Can be hazardous to your health. Keep your head out of the fumes. Use enough ventilation or exhaust at the arc to keep fumes and gases away from the breathing zone.
- Arc Rays: Can burn eyes and skin. Wear a welding helmet with a proper shade filter. Wear appropriate eye protection with side shields. Wear protective clothing made from durable, flame-resistant material.
- Fire and Explosion: Welding sparks can cause fire or explosion. Keep flammable materials away from the welding area. Have a fire extinguisher nearby.
- Burns: Hot metal can cause severe burns. Do not touch hot parts with bare hands. Allow the workpiece to cool before handling.
- Machine Placement: Place the machine on a stable, level surface. Ensure adequate ventilation around the machine to prevent overheating.
3. Package Contents
Verify that all items are present in your package:
- 1x ARC200mini3 Welder
- 1x Electrode Holder
- 1x Earth Clamp
- 5x Welding Rod
- 1x Cleaning Brush
- 1x Instruction Manual
Note: If you purchased the 'With 17V Torch' variant, your package will also include:
- 1x WP17V Lift Tig Torch
4. Product Overview
4.1 Key Features
- 2-in-1 Functionality: Supports both MMA (Stick) and LIFT TIG welding.
- Intelligent LED Display: Provides clear readings for welding current, mode selection (MMA/LIFT TIG), and indicators for Arc Force, Hot Start, Anti-stick, VRD (Voltage Reduction Device), and ERR (Error).
- Portable & Lightweight: Compact design (9.25x5.9x4.5 inches) and light weight (2.1 kg / 5.95 lbs) for easy transport.
- Advanced Inverter Technology: Utilizes IGBT technology for stable and efficient welding performance.
- Synergy Chip Technology: Automatically matches the starting arc current based on metal thickness, simplifying operation for beginners.
- Safety Protections: Equipped with internal protection against overheating and overcurrent.
- Fast Cooling & Low Noise: Efficient cooling system and high-quality materials reduce machine noise and prevent overheating.
4.2 Control Panel Introduction
The front panel features a digital LED display and control knob for easy adjustment and monitoring.
- Current Display: Shows the welding current in Amperes.
- MMA Function Indicator: Lights up when MMA welding mode is selected.
- Lift TIG Function Indicator: Lights up when LIFT TIG welding mode is selected.
- Power & Abnormal Indicator: Indicates power status and error conditions.
- Mode Switching Button: Press to switch between MMA and LIFT TIG modes.
- Current Regulation Knob: Rotate to adjust the welding current. Press to set the function (e.g., Arc Force, Hot Start, Anti-stick, VRD).
- "+" Output Connector: Positive terminal for welding cables.
- "-" Output Connector: Negative terminal for welding cables.
- Power Input: Connection for the main power cable.
- Power ON/OFF Switch: Main power switch for the machine.
- Cooling Fan: Provides cooling for the internal components.
5. Setup Instructions
5.1 MMA (Stick) Welding Connection
- Ensure the machine is powered off and unplugged.
- Connect the Electrode Holder cable to the "-" Output Connector (8) on the front panel.
- Connect the Ground Clamp cable to the "+" Output Connector (7) on the front panel.
- Securely attach the ground clamp to the workpiece or welding table.
- Insert a suitable welding rod into the electrode holder.
5.2 LIFT TIG Welding Connection
Note: A TIG torch (e.g., WP17V) and gas cylinder are required and may need to be purchased separately.
- Ensure the machine is powered off and unplugged.
- Connect the TIG Torch cable to the "+" Output Connector (7) on the front panel.
- Connect the Ground Clamp cable to the "-" Output Connector (8) on the front panel.
- Securely attach the ground clamp to the workpiece or welding table.
- Connect the gas hose from the TIG torch to a suitable inert gas cylinder (e.g., Argon) with a regulator.
- Ensure the tungsten electrode is correctly installed in the TIG torch.
6. Operation
6.1 Power On
- Plug the machine into a suitable power outlet (AV90-240V).
- Turn on the Power ON/OFF Switch (10) located on the rear panel. The LED display will light up.
6.2 Mode Selection
- Press the Mode Switching Button (5) to toggle between MMA and LIFT TIG welding modes. The corresponding indicator (2 or 3) on the LED display will illuminate.
6.3 Current Adjustment
- Rotate the Current Regulation Knob (6) to adjust the welding current (Amperes) displayed on the Current Display (1).
- For advanced functions like Arc Force, Hot Start, Anti-stick, or VRD, press the Current Regulation Knob (6) to cycle through these settings and then rotate to adjust their values if applicable.
6.4 Welding Process
The HITBOX ARC-200mini3 is suitable for welding various materials including Mild Steel, Stainless Steel, Steel Plate, Square Pipe, Carbon Steel, and Galvanized Sheet. It works with materials up to 5 mm thick and welding rods/electrodes from 1.0-3.2mm (e.g., E7018/E6013).
Video 1: Product demonstration showing MMA (Stick) and LIFT TIG welding connections and processes, including spot welding and flat welding.
7. Maintenance
Regular maintenance ensures the longevity and safe operation of your welding machine.
- Cleaning: Regularly clean the machine's exterior with a dry cloth. Use compressed air to blow out dust and debris from the ventilation openings. Ensure the machine is unplugged before cleaning.
- Cable Inspection: Periodically inspect all welding cables, electrode holders, and ground clamps for damage, fraying, or loose connections. Replace damaged components immediately.
- Fan Check: Ensure the cooling fan (11) is free from obstructions and operating correctly.
- Storage: Store the machine in a dry, clean environment away from excessive dust, moisture, and corrosive materials.
8. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine does not power on | No power supply; Power switch off; Faulty power cable | Check power outlet and circuit breaker; Ensure power switch is ON; Inspect power cable for damage. |
| No arc or weak arc | Incorrect current setting; Poor ground connection; Damp welding rod (MMA); Incorrect electrode setup (TIG) | Adjust current; Ensure solid ground connection; Use dry rods; Check TIG electrode and gas flow. |
| "ERR" indicator lights up | Overheating; Overcurrent; Internal fault | Allow machine to cool down; Reduce welding current; If error persists, contact support. |
| Poor weld quality | Incorrect current; Improper technique; Dirty workpiece; Wrong electrode type | Adjust current; Practice technique; Clean workpiece thoroughly; Use appropriate electrode. |
9. Specifications
| Parameter | Value |
|---|---|
| Brand Name | HITBOX |
| Model | ARC200mini3 |
| Inverter Technology | IGBT |
| Input Voltage | AV90-240V |
| Rated Output Current | 25.2A |
| Duty Cycle | 60% |
| Power Factor | 0.73 |
| Insulation Grade | F |
| Housing Protection Grade | IP21 |
| Electrode Diameter | 1.0-3.2mm |
| Dimensions (L x W x H) | 9.25 x 5.9 x 4.5 inches (23.5 x 15 x 11.4 cm) |
| Weight | 2.1 kg (4.63 lbs) |
| Packing Dimension | 285 x 180 x 210 mm |
10. User Tips
- TIG Gas Connection: For LIFT TIG welding, remember that the gas bottle connection is external to the machine. Ensure your TIG torch is properly connected to an inert gas supply (e.g., Argon) via a regulator for optimal weld quality and to protect the tungsten electrode.
- Tungsten Electrode Diameter: The machine supports various tungsten electrode diameters. Always match the tungsten electrode size to your welding current and material thickness for the best results. Common sizes for this machine's range might include 1.6mm or 2.4mm.
- Amperage Understanding: While the machine has synergy features, understanding the relationship between amperage, material thickness, and electrode size is crucial for achieving desired weld penetration and appearance. Experiment with settings on scrap material before working on your main project.
11. Warranty and Support
The HITBOX ARC-200mini3 welding machine comes with a 1-year warranty. For technical support, troubleshooting assistance, or warranty claims, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.
