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FANUC Alarm DMER-039 — WARN Pipe … could not be activated

Manufacturer wording — WARN Pipe %d could not be activated
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC DMER-039 (“WARN Pipe … could not be activated”): The pipe you have attempted to use could not be activated for some reason. First check: Check all parameters of the activation call.

Updated 2026-09-17 · LogrobotLM reference

Description

The pipe you have attempted to use could not be activated for some reason.

Remedy

Check all parameters of the activation call.

Related codes

DMER-037WARN Pipe already activeDMER-038WARN Cannot allocate global FDDMER-040WARN Pipe not activeDMER-041WARN DAQ ran out of memory

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 →