John Brown 01010008 power supply board

John Brown 01010008 is a modular AC‑DC power supply board commonly used in industrial control panels and motor drives. Typical failure modes include degraded rectifier diodes, overheating of the switching regulator or transformer windings, and capacitor electrolyte leakage that can cause voltage ripple or over‑temperature shutdowns. Start by verifying input mains voltage and polarity, then check output rail voltages against spec; inspect for visible burn marks, bulging capacitors, or loose solder joints. If the board passes basic electrical tests, examine the control IC for fault codes or erratic behavior and confirm that all fuses and protection relays are intact.[oss-gpt-20b]

Need your John Brown repaired or tested?

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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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.

📞 Call: 1 (336) 969-0110 ✍️ Start Free Diagnostic

Free Estimates • Industrial-grade testing • 1-Year Warranty • Nationwide Service


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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.