LogrobotLM

LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free → · Le diagnostic IA qui lit la sauvegarde de votre robot, sans rien téléverser.

FANUC Alarm MHND-028 — WARN Illegal PNS program select received

FANUC MHND-028 (“WARN Illegal PNS program select received”): A PNS program select was detected but either the keyswitch is not in remote or the selected program does not exist. First check: Check the keyswitch settings.

Updated 2026-08-29 · LogrobotLM reference

Description

A PNS program select was detected but either the keyswitch is not in remote or the selected program does not exist.

Remedy · Remède

Check the keyswitch settings. Check the program selected.

Frequently asked · Questions fréquentes

What does FANUC alarm MHND-028 mean?
FANUC MHND-028 (“WARN Illegal PNS program select received”): A PNS program select was detected but either the keyswitch is not in remote or the selected program does not exist.
How do you troubleshoot FANUC alarm MHND-028?
Check the keyswitch settings. Check the program selected.

Related codes / Codes liés

MHND-026WARN Illegal DIN program select receivedMHND-027WARN %s program select signal receivedMHND-029WARN Illegal GIN program select receivedMHND-030WARN Illegal RSR program select received

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 →