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FANUC Alarm CMND-015 — WARN Both arguments are zero

FANUC CMND-015 (“WARN Both arguments are zero”): Both arguments to ATAN2 were zero or an internal error occurred when attempting to convert a POSITION to XYZWPR. First check: If calling ATAN2, insure that both arguments are not zero.

Updated 2026-09-17 · LogrobotLM reference

Description

Both arguments to ATAN2 were zero or an internal error occurred when attempting to convert a POSITION to XYZWPR.

Remedy

If calling ATAN2, insure that both arguments are not zero. If converting a POSITION, then it is not converable to an XYZWPR.

Related codes

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 →