Heidenhain TNC 151B LCD Control
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The Heidenhain TNC 151B is a 4‑axis contouring CNC controller that uses an integrated LCD panel for operator interaction and displays G‑code or HEIDENHAIN plain language programs. Known failure modes on this model include LCD backlight or touch‑screen failure, loss of communication with the servo drives (often indicated by error codes such as “COMM FAIL” or “I/O ERROR”), and power‑supply voltage drops that cause the unit to reset or display a blank screen. Common points of repair are the LCD module itself, the main board’s power regulator, and the serial/parallel I/O connectors to the drives. First‑check diagnostics: verify 24 V DC supply to the control board, inspect all cable connections between the controller and servo drives for corrosion or disconnection, and review any displayed error codes in the service manual’s fault‑diagnosis flow charts.[oss-gpt-20b] |
Need your Heidenhain 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
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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.