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FANUC Alarm LNTK-022 — STOP No tracking hardware

FANUC LNTK-022 (“STOP No tracking hardware”): No tracking sensor hardware interface or improperly initialized system variables First check: Check tracking hardware setup and the values of $SCR.$ENC_TYPE and $SCR.$ENC_AXIS

Updated 2026-09-17 · LogrobotLM reference

Description

No tracking sensor hardware interface or improperly initialized system variables

Remedy

Check tracking hardware setup and the values of $SCR.$ENC_TYPE and $SCR.$ENC_AXIS

Related codes

LNTK-020STOP Invalid extreme positionLNTK-021STOP Invalid track axis numberLNTK-023STOP Bad tracking hardwareLNTK-024STOP Illegal encoder average

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →