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Troubleshooting

Troubleshooting

Loading fault information

Loading fault information

Faults
IB-S-331

IB-S-331

STOP XXXX:Wrong data length

[Cause]

Refer to IBS SYS FW G4 UM and check the firmware error code.

[Countermeasure]

Refer to IBS SYS FW G4 UM and check the firmware error code.

Applicable equipment

Source: Fault JSON · FANUC_R30iB_全部故障码_中英双语.json · SHA-256 3eef897f540467130587726e7a53e338980cbb19f10ad88a4eddbec837fb0f55 · IB-S-331

Brand	FANUC
Updated	2026-10-26