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FANUC Alarm ARC-148 — Can't use Pulse in CO2

FANUC ARC-148 (“Can't use Pulse in CO2”): 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, 200A], the pulse mode is always ON. Therefore, use the AS instruction with the weld schedule number.

Related codes

ARC-146Can't use Pulse in CO2(E:…)ARC-147Can't use Pulse in this setup(E:…)ARC-149Can't use Pulse in this setupARC-150STOP Invalid op. in weld(0x…)(E:…)

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