Curtis Instruments 1244-4417 D.C. Motor Controller
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Curtis 1244‑4417 is a programmable SepEx™ DC motor speed controller designed for separately excited motors in material handling vehicles; it uses an advanced MOSFET power section and regenerative control circuitry. Common failure points include MOSFET overheat or open-circuit, electrolytic capacitor degradation on the high-side driver, input voltage irregularities, and programming device communication errors that trigger fault codes. First‑check diagnostics: verify 24–36 V DC supply continuity and correct polarity, inspect MOSFETs for burn marks or excessive temperature rise, test key capacitors for ESR/voltage drop, and read error logs via the built‑in programming interface to confirm controller status.[oss-gpt-20b] |
Need your Curtis Instruments 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
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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)
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- ✅ 1-Year warranty on completed repairs
Free Estimates • Industrial-grade testing • 1-Year Warranty • Nationwide Service
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🚑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.