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FANUC Alarm APSH-180 — WARN Could not communicate to WC.

FANUC APSH-180 (“WARN Could not communicate to WC.”): Could not read any I/O from the Weld controller. First check: Check if weld controler is functioning correctly, or powered on.

Updated 2026-09-17 · LogrobotLM reference

Description

Could not read any I/O from the Weld controller. Device may be offline.

Remedy

Check if weld controler is functioning correctly, or powered on.

Related codes

APSH-178WARN Map I/O in Weld Interface MenuAPSH-179WARN Upd. Press. timeout WC:…APSH-201Automatic Collision RecoveryAPSH-202Recovery Program not found

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 →