LogrobotLM

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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 2026-09-17 · 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

Check the keyswitch settings. Check the program selected.

Related codes

MHND-026WARN Illegal DIN program select receivedMHND-027WARN … 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. How this reference is built →