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FANUC Alarm ARC-199 — This weld EQ isn't supported(E:…)

Manufacturer wording — This weld EQ isn't supported(E:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ARC-199 (“This weld EQ isn't supported(E:…)”): The connected weld equipment is not supported. First check: Check the weld equipment.

Updated 2026-09-17 · LogrobotLM reference

Description

The connected weld equipment is not supported.

Remedy

Check the weld equipment.

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 →