SYST-256

WARN Servo off input signal

The servo off input signal must be on.

Check the servo off input signal.

Applicable equipment

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

Brand	FANUC
Updated	2026-10-26

SYST-256

The servo off input signal must be on.

Check the servo off input signal.

Applicable equipment

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

Brand	FANUC
Updated	2026-10-26