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FANUC Alarm BELL-109 — WARN Non-increasing conveyor values

FANUC BELL-109 (“WARN Non-increasing conveyor values”): The job contains a zone of zero size. First check: Modify the conveyor values so that the value at each position is greater than at the previous position.

Updated 2026-09-17 · LogrobotLM reference

Description

The job contains a zone of zero size.

Remedy

Modify the conveyor values so that the value at each position is greater than at the previous position.

Related codes

BELL-107WARN 1st posn must be non-paintBELL-108WARN 2nd posn must be paint-onBELL-110WARN Max conveyor speed is too smallBELL-111WARN Press shift-reset & hold shift

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 →