HAAS 32-5550J Amplifier
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The Haas 32‑5550J (93‑32‑5550J) is a 30 A PWM‑based smart servo amplifier that converts DC from the Vector Drive into regulated AC currents for the motor phases. Common failure modes include phase loss or open‑phase conditions, overcurrent protection trips due to shorted windings or faulty MOSFETs, overheating of the internal transistor bridge, and firmware mismatches after a power‑cycle or upgrade. First‑check diagnostics should verify that the input DC supply is within spec, inspect the amplifier for visible burn marks or blown fuses, review any error codes on the CNC controller (e.g., “AMP‑OVR”, “PHASE‑LOSS”), and confirm proper grounding and cable continuity to the motor phases.[oss-gpt-20b] |
Need your HAAS 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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- 🔧 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.