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FANUC Alarm COPT-006 — WARN Add PC buffer overflow - parm …

Manufacturer wording — WARN Add PC buffer overflow - parm %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC COPT-006 (“WARN Add PC buffer overflow - parm …”): The data could not be copied to the data buffer because the buffer is too small. First check: Make sure the data buffer is big enough for your data.

Updated 2026-09-17 · LogrobotLM reference

Description

The data could not be copied to the data buffer because the buffer is too small.

Remedy

Make sure the data buffer is big enough for your data. If there is too much data to send, you might have to use more than one event to send the data.

Related codes

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 →