Hyundai R250LC-9 21Q7-32101 Controller

The Hyundai R250LC‑9 21Q7‑32101 is the main electronic control unit (ECU) that manages engine, hydraulic and auxiliary functions on the R250LC‑9 excavator. Common failures in this class of controllers include power supply degradation, fuse or relay burnout, corrupted firmware, and intermittent communication faults between the ECU and field modules. First‑check steps: verify 12 V/24 V input voltage to the ECU, inspect all internal fuses and relays for continuity, and review any diagnostic trouble codes (DTCs) displayed on the operator console or via an OBD interface.[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

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Other Repaired Units by Hyundai

Hyundai 21K8-42601 Controller
Hyundai R250LC-9 21Q7-32101 Controller
Hyundai R250LC-9 21Q7-32101 Controller

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.