curtis 1237-3402 1237-3402 d.c. motor controller

Curtis 1237‑3402 is a programmable microprocessor‑based permanent‑magnet DC motor controller rated at 36 V and 160 A, featuring a full‑bridge power stage for four‑quadrant operation and regenerative braking. Common failure modes in this class include solid‑state driver burnout (especially under overcurrent or thermal overload), electrolytic capacitor degradation on the output filtering stages, and firmware corruption that can cause loss of control or erroneous speed setpoints. Begin troubleshooting by verifying the 36 V input supply and ensuring it remains within spec during operation; inspect all power‑stage MOSFETs and gate drivers for burn marks or excessive heat; then review any diagnostic LEDs or error codes on the controller’s front panel, followed by a continuity check of the motor wiring harness.[oss-gpt-20b]

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We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

📞 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.

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Contact Us

🚑Shop Location🛠️

Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.

📞Phone

1-336-969-0110

📦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.