LogrobotLM

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FANUC Alarm ARC-146 — Can't use Pulse in CO2(E:…)

Manufacturer wording — Can't use Pulse in CO2(E:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC ARC-146 (“Can't use Pulse in CO2(E:…)”): In CO2 setup, you cannot use Pulse mode. First check: Set pulse mode to disabled in the weld schedule detail menu.

Updated 2026-09-17 · LogrobotLM reference

Description

In CO2 setup, you cannot use Pulse mode.

Remedy

Set pulse mode to disabled in the weld schedule detail menu. If you use the direct command AS instruction, AS[20V,

Related codes

ARC-144PS internal com-error(E:…)ARC-145PS internal abnormal com-data(E:…)ARC-147Can't use Pulse in this setup(E:…)ARC-148Can't use Pulse in CO2

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 →