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The Lincoln Electric G4824-3 (also identified as 9SG4824-3) is a genuine OEM replacement main control printed circuit board assembly. It serves as the central logic command center for specific Power MIG series welders, regulating arc performance, wire feed dynamics, and timing sequences. The board is a multi-layer PCBA featuring conformal coating to protect components from metallic dust and harsh industrial environments.
Features
Pulse Width Modulation (PWM) wire feed speed control
Integrated arc voltage regulation
Sequence timing management
Gas solenoid activation logic
Wire feed speed ramping control
Spot timer logic integration
Stitch timer logic integration
Run-in speed regulation
Burnback control management
Digital meter data processing and display logic
Shielded architecture for high-current and high-frequency environments
Anti-static protective packaging for transport
Specifications
Manufacturer: Lincoln Electric
Part Number: G4824-3
Alternate Part Number: 9SG4824-3
Product Type: Main Control PC Board Assembly
Board Construction: Multi-layer PCBA
Environmental Protection: Conformal coating
Compatibility: Power MIG 256, Power MIG 255C
Packaging: 1 Per Ea
Installation Type: Direct swap / Plug-and-play
Connection Interface: Multi-pin headers for wiring harnesses
Suppression Type: EMI/RFI shielded
Applications
Machine repair for Lincoln Electric Power MIG 256 welding systems
Machine repair for Lincoln Electric Power MIG 255C welding systems
Replacement of failed main logic assemblies due to static discharge or metallic dust contamination
Restoration of welding arc stability and wire feed consistency
Correction of erratic wire delivery or unresponsive speed dials
Resolution of digital meter error codes or display failures
Fixing gas solenoid trigger logic failures
Maintenance of OEM calibration and safety compliance
