Schneider AL501 fault code meaning

Schneider / AL501

Series: LXM28A, LXM28E, LXM28S

Safety function Safe Torque Off (STO) triggered

servo drive

Meaning: The safety function STO has been triggered or the signal for the safety function STO is not properly connected. If this condition is detected while the power stage is enabled, the drive detects an error. If this condition is detected while the power stage is disabled, the drive detects an alert.

Possible causes

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