FANUC Alarm APSH-078 — WARN Shell could not run program
FANUC APSH-078 (“WARN Shell could not run program”): The shell tried to execute a program, but was stopped by the operating system. First check: Make sure the program exists and it is not already running or paused.
Updated 2026-09-17 · LogrobotLM reference
Description
The shell tried to execute a program, but was stopped by the operating system.
Remedy
Make sure the program exists and it is not already running or paused. Use the PROGRAM STATUS display to make sure you have not exceeded the maximum number of tasks. Abort all programs which do not need to be running.
Related codes
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 →