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 →

FANUC Alarm GUID-158 — SERVO Force sensor inner parity

FANUC GUID-158 (“SERVO Force sensor inner parity”): Force sensor inner parity error on FS I/F board inner RAM. First check: Replace interface board.

Updated 2026-09-17 · LogrobotLM reference

Description

Force sensor inner parity error on FS I/F board inner RAM.

Remedy

Replace interface board.

Related codes

GUID-156SERVO Force sensor data req failGUID-157SERVO Force sensor outer parityGUID-159SERVO Force sensor comm failureGUID-160SERVO Force sensor comm failure

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 →