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FANUC Alarm APSH-111 — WARN READ IO parm %s is wrong type

FANUC APSH-111 (“WARN READ IO parm %s is wrong type”): The READ IO MACRO was called with illegal parameters. First check: Check the MACRO call in the TP program.

Updated 2026-08-29 · LogrobotLM reference

Description

The READ IO MACRO was called with illegal parameters. READ IO(signal name string,

Remedy · Remède

Check the MACRO call in the TP program.

Frequently asked · Questions fréquentes

What does FANUC alarm APSH-111 mean?
FANUC APSH-111 (“WARN READ IO parm %s is wrong type”): The READ IO MACRO was called with illegal parameters. READ IO(signal name string,
How do you troubleshoot FANUC alarm APSH-111?
Check the MACRO call in the TP program.

Related codes / Codes liés

APSH-100WARN %sAPSH-110WARN READ IO parm %s missingAPSH-112WARN signal %s does not existAPSH-113WARN can't fetch signal type

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 →