LogrobotLM

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FANUC Alarm MOTN-321 — WARN Posn unreachable at line …

Manufacturer wording — WARN Posn unreachable at line %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MOTN-321 (“WARN Posn unreachable at line …”): An unreachable position is detected in the adjustment precheck First check: Check the alarm log to find out at which position motion error will occur, use CLR_Adj

Updated 2026-09-17 · LogrobotLM reference

Description

An unreachable position is detected in the adjustment precheck

Remedy

Check the alarm log to find out at which position motion error will occur, use CLR_Adj

Related codes

MOTN-319STOP CRC large orient changeMOTN-320WARN Adj out of limit at line …MOTN-322Invalid GenoverrideMOTN-323Invalid Prgoverride

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 →