Lincoln Welder SP150 G-16851-1 Motor Control Board
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The Lincoln Welder SP‑150 G‑16851‑1 Motor Control Board is an SCR‑based power control module that regulates the welding arc current and motor drive for the SP‑150 welder. Common failure modes on this board include burned or tripped SCRs, damaged gate driver ICs, and degraded capacitor electrolytes leading to voltage spikes; overheating can also cause insulation breakdown of the motor windings. Initial diagnostics should verify the 120 V/240 V input supply, check for proper operation of the main power fuses and circuit breakers, inspect all surface‑mount components for visible damage or burn marks, and review any error codes displayed on the welder’s control panel.[oss-gpt-20b] |
Need your Lincoln Welder 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
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Free Estimates • Industrial-grade testing • 1-Year Warranty • Nationwide Service
Other Repaired Units by Lincoln Welder
Lincoln Welder G4407-1A0 Controller BoardLincoln Welder SP-150 SCR Control BoardLincoln Welder SP150 G-1687-1 SCR Control BoardLincoln Welder SP150 G-16851-1 Motor Control BoardContact Us
🚑Shop Location🛠️
Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.
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📦Mailing Address🚛
Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
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