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FANUC Alarm APSH-043WARN No style ack group defined

FANUC APSH-043 (“WARN No style ack group defined”): The style acknowlege group, which is needed with the current communication configuration, has not been defined. First check: Set up a Style Ack Group in the Cell output I/O and GROUP I/O menus and restart the robot.

Updated 2026-08-29 · LogrobotLM reference

Description

The style acknowlege group, which is needed with the current communication configuration, has not been defined.

Remedy · Remède

Set up a Style Ack Group in the Cell output I/O and GROUP I/O menus and restart the robot.

Frequently asked · Questions fréquentes

What does FANUC alarm APSH-043 mean?
FANUC APSH-043 (“WARN No style ack group defined”): The style acknowlege group, which is needed with the current communication configuration, has not been defined.
How do you troubleshoot FANUC alarm APSH-043?
Set up a Style Ack Group in the Cell output I/O and GROUP I/O menus and restart the robot.

Related codes / Codes liés

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 →