LogrobotLM

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FANUC Alarm APSH-039 — WARN No style ack strobe defined

FANUC APSH-039 (“WARN No style ack strobe defined”): The style acknowlege strobe, which is needed with the current communication configuration, has not been defined. First check: Set up a Style Ack Strobe in the Cell Output I/O menu and restart the robot.

Updated 2026-09-17 · LogrobotLM reference

Description

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

Remedy

Set up a Style Ack Strobe in the Cell Output I/O menu and restart the robot.

Related codes

APSH-037WARN No UOP input definedAPSH-038WARN No style input group definedAPSH-040WARN No backup input group definedAPSH-041WARN No style input strobe defined

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 →