ARC-019

STOP.L Unable to read arc detection input (%s^4,%d^5)

The arc detection signal cannot be detected.

Check the connection of I/O printed circuit board.

Applicable equipment

Source: Fault JSON · FANUC_R30iB_全部故障码_中英双语.json · SHA-256 3eef897f540467130587726e7a53e338980cbb19f10ad88a4eddbec837fb0f55 · ARC-019

Brand	FANUC
Updated	2026-10-26

ARC-019

The arc detection signal cannot be detected.

Check the connection of I/O printed circuit board.

Applicable equipment

Source: Fault JSON · FANUC_R30iB_全部故障码_中英双语.json · SHA-256 3eef897f540467130587726e7a53e338980cbb19f10ad88a4eddbec837fb0f55 · ARC-019

Brand	FANUC
Updated	2026-10-26