FANUC Alarm DMER-100 — Buffer index error(Item:…)

Manufacturer wording — Buffer index error(Item:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC DMER-100 (“Buffer index error(Item:…)”): $DMONBUF specifed by $DMONITEM.$BFFV_INDEX does not exist. First check: Set the index properly, and retry the operation.

Updated 2026-09-17 · LogrobotLM reference

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 →