Lincoln G4109 Welder
 |
Lincoln G4109 is a PLC/add‑on control board used in Lincoln welding and machine‑control systems, typically mounted on the main weld‑control cabinet. Common failure modes include burnt or cracked discrete components (diodes, MOSFETs), degraded solder joints, power‑rail voltage drops, and communication link errors with the host controller. Begin troubleshooting by verifying the 24 VDC supply rail and any isolated power rails for correct output; inspect the board visually for burn marks, cracked traces, or loose connectors; and check I/O status and error codes on the host system to isolate whether the fault is local to the G4109 or originates upstream.[oss-gpt-20b] |
Need your Lincoln repaired or tested?
We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.
- ⚙️ Fast Diagnostics – Same-day evaluation available
- 🔁 Reliable Turnaround – Most jobs ship within 5–10 business days
- 🧰 Expert Technicians – Decades of board-level experience
- ✅ 1-Year Warranty – Every repair fully guaranteed
📞 Call Now: 1 (336) 969-0110
Free Estimates • Industrial-grade testing • Nationwide Service
⚡ Call to Purchase AI Services — help us build the next Grace Blackwell GX10 node.
Industrial AI Hardware Recovery — Free Diagnostic • Pay Return Shipping Only
[oss-gpt-20b]We reclaim and repair GPUs and industrial AI hardware (cards, PSUs, fan modules, VRM boards). Free estimate — you only pay return shipping if you decline.
- 🔧 Board-level diagnostics (shorts, VRM, memory, fan, thermals)
- 🧪 Burn-in + benchmarks (hash/matrix, memtest, stability)
- ♻️ Option: donate failed cards for parts → we refurb + resell
- ✅ 1-Year warranty on completed repairs
Free Estimates • Industrial-grade testing • 1-Year Warranty • Nationwide Service
Other Repaired Units by Lincoln
Lincoln G4824-2D0 welder boardLincoln G2196-1 Control BoardLincoln G3900-2C4 Weld ControlLincoln G4107-1E1 Weld ControlLincoln G4824-2D1 Weld ControlLincoln G4824-3HO Weld ControlLincoln G4109-1E6 Weld ControlLincoln Commander 400 Circuit BoardLincoln L11315-1 Circuit BoardLincoln G4109-1E5 ControllerLincoln L11325-1C1 Circuit BoardLincoln G4109-1E5 ControllerLincoln Commander 400 Circuit BoardLincoln L11325-1D0 PC BoardLincoln G4824-3 Control BoardLincoln G4109 WelderLincoln G4109-1E6 ControllerLincoln G4107-1E7 Weld ControlLincoln G4109-1E5 Circuit BoardLincoln G4109-1E5 PC BoardLincoln G3900-2 Circuit BoardLincoln L11325-1D0 Welder BoardLincoln G4109-1E5 ControllerLincoln SP-150 SCR Control BoardLincoln 250 Circuit BoardLincoln G2314-2 Control BoardLincoln Commander 400 Circuit BoardLincoln MH-51 Circuit BoardLincoln Commander 400 Circuit BoardLincoln Commander 400 Circuit BoardLincoln SP-150 SCR Control BoardLincoln G3660-2 CPULincoln SP 105 G-1687-1 Circuit BoardLincoln Commander 400 Circuit BoardLincoln Commander 400 Circuit BoardLincoln G1685-1 Motor BoardLincoln Commander 400 Circuit BoardLincoln Commander 400 G2713-2 Circuit BoardLincoln G4109-1E6 Analog Weld ControlLincoln Commander 400 Circuit BoardLincoln Commander 400 Circuit BoardLincoln JD-5 Circuit BoardLincoln G4109-1E5 ControllerLincoln Commander 400 Circuit BoardLincoln Commander 400 Circuit BoardLincoln G4109-1E5 Circuit BoardLincoln G4109-1E5 Circuit BoardLincoln L11768-1 Circuit BoardLincoln L11768-1 Circuit BoardLincoln L11768-1 Circuit BoardLincoln L11768-1 Circuit BoardLincoln L11768-1 Circuit BoardLincoln Commander 400 Circuit BoardLincoln Commander 400 Circuit BoardLincoln G4109 Circuit BoardLincoln G2453-2 Welder boardLincoln G2163-1 Welder boardLincoln Commander 400 Circuit BoardLincoln Commander 400 Circuit BoardLincoln Commander 400 Control BoardLincoln 400 PCB BoardLincoln WP-225 BoardLincoln G2713-3 Circuit BoardLincoln WP-225 L7607-2 Idler/Charger BoardLincoln LN-25 G2196-1 control printed circuit boardLincoln G3385-4 BoardLincoln WP-225 G7 boardContact Us
🚑Shop Location🛠️
Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.
📞Phone
📦Mailing Address🚛
Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.