SPOT-352

WARN Invalid IWC index

Cause: The specified built-in timer board has not been installed. [Countermeasure] This is a system programming error.

Applicable equipment

Source: Fault JSON · FANUC_R30iB_全部故障码_中英双语.json · SHA-256 3eef897f540467130587726e7a53e338980cbb19f10ad88a4eddbec837fb0f55 · SPOT-352

Brand	FANUC
Updated	2026-10-26

SPOT-352

Cause: The specified built-in timer board has not been installed. [Countermeasure] This is a system programming error.

Applicable equipment

Source: Fault JSON · FANUC_R30iB_全部故障码_中英双语.json · SHA-256 3eef897f540467130587726e7a53e338980cbb19f10ad88a4eddbec837fb0f55 · SPOT-352

Brand	FANUC
Updated	2026-10-26