CNi RM850 Controller

CNI RM850 is a wired remote‑control terminal used on CNC machining centers, featuring an LCD display and input keypad. Common failure points in this class of industrial terminals include power supply degradation, IC burn‑out on the controller board, and connector corrosion or loose contacts. First‑check diagnostics: verify 24 V DC input to the unit, inspect the LCD backlight and display circuitry for flicker or dead pixels, and test all I/O pins for continuity and proper voltage levels; review any error codes logged by the CNC host.[oss-gpt-20b]

Need your CNi 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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