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FANUC Alarm PNT2-293 — Communication error …

Manufacturer wording — Communication error %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT2-293 (“Communication error …”): The Ethernet communication with another controller failed. First check: Verify the Ethernet communication.

Updated 2026-09-17 · LogrobotLM reference

Description

The Ethernet communication with another controller failed.

Remedy

Verify the Ethernet communication. Make sure all controllers are turned on and connected.

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 →