LogrobotLM

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FANUC Alarm MUPS-006 — ERR_STOP_C BWD not allowed in M-PASS

FANUC MUPS-006 (“ERR_STOP_C BWD not allowed in M-PASS”): BWD motion not supported First check: Multi-Pass does not support backward motion.

Updated 2026-09-17 · LogrobotLM reference

Description

BWD motion not supported

Remedy

Multi-Pass does not support backward motion. Please do not use Shift-BWD in Multi-

Related codes

MUPS-004ERR_STOP_C Segment too short using OFFSETMUPS-005PAUSE. G Invalid OFFSET MODE valueMUPS-007ERR_STOP_C Illegal transition:nonCD<->CDMUPS-008ERR_ABO_C Invalid pass number

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 →