FANUC Alarm APSH-040 — WARN No backup input group defined
FANUC APSH-040 (“WARN No backup input group defined”): The backup input group, which is needed with the current communication configuration, has not been defined. First check: Set up a Backup Style Select group in the Cell output I/O and GROUP I/O menus and restart the robot.
Updated 2026-08-29 · LogrobotLM reference
Description
The backup input group, which is needed with the current communication configuration, has not been defined.
Remedy · Remède
Set up a Backup Style Select 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-040 mean?
- FANUC APSH-040 (“WARN No backup input group defined”): The backup input group, which is needed with the current communication configuration, has not been defined.
- How do you troubleshoot FANUC alarm APSH-040?
- Set up a Backup Style Select 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 →