LogrobotLM

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FANUC Alarm SYST-079 — WARN Startup check failed

FANUC SYST-079 (“WARN Startup check failed”): One or more of the pre-startup system checks failed. First check: Look for a previous message that indicates exactly which check failed and take corrective action.

Updated 2026-09-17 · LogrobotLM reference

Description

One or more of the pre-startup system checks failed.

Remedy

Look for a previous message that indicates exactly which check failed and take corrective action.

Related codes

SYST-077WARN Entered INTERLOCK modeSYST-078WARN Entered ISOLATE modeSYST-080WARN Fault must be resetSYST-081WARN Not at home position

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 →