The Trane Co. MDL3 board
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The Trane MDL3 (model 6400‑0882‑01/6400‑0883‑02) is a furnace control board that manages heating, fan operation, and safety interlocks in residential HVAC units. Common failure points on this class of boards include burned or cracked ICs, failed MOSFET drivers, damaged relay contacts, and degraded PCB traces from moisture ingress; these often manifest as intermittent operation or complete loss of fan/ignition control. First‑check diagnostics: verify 24 VAC input to the board, inspect for visible burn marks or corrosion on components, test continuity of relay coils and MOSFET gates, and review any stored error codes via the thermostat interface.[oss-gpt-20b] |
Need your The Trane Co. 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
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[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 The Trane Co.
The Trane Co. MDL3 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.