LogrobotLM

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FANUC Alarm SYST-161 — WARN Cannot start Remote diagnostic

FANUC SYST-161 (“WARN Cannot start Remote diagnostic”): Remote diagnostics are not started because the servo status is on. First check: Turn off the servo then retry the remote diagnostics.

Updated 2026-09-17 · LogrobotLM reference

Description

Remote diagnostics are not started because the servo status is on.

Remedy

Turn off the servo then retry the remote diagnostics.

Related codes

SYST-159WARN GO … for Error Output not configuredSYST-160WARN Value outputted to GO … out of limitSYST-162PAUSE Servo On during Remote diagnosticSYST-163WARN Cannot operate IO during Remote diagnostic

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 →