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FANUC Alarm LECO-024 — ArcLink mapping failed (%d^1)

FANUC LECO-024 (“ArcLink mapping failed (%d^1)”): An attempt to establish communications between the robot and a Lincoln PowerWave welding power supply failed. First check: Verify that the weld power supply is turned on.

Updated 2026-08-29 · LogrobotLM reference

Description

An attempt to establish communications between the robot and a Lincoln PowerWave welding power supply failed.

Remedy · Remède

Verify that the weld power supply is turned on. Verify the ArcLink communications cable is installed properly.

Frequently asked · Questions fréquentes

What does FANUC alarm LECO-024 mean?
FANUC LECO-024 (“ArcLink mapping failed (%d^1)”): An attempt to establish communications between the robot and a Lincoln PowerWave welding power supply failed.
How do you troubleshoot FANUC alarm LECO-024?
Verify that the weld power supply is turned on. Verify the ArcLink communications cable is installed properly.

Related codes / Codes liés

LECO-050Cap A under voltage (Cap A volts, Cap B volts)LECO-051Cap B under voltage (Cap A volts, Cap B volts)

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →