Fault code

INVT GD270 S-Err CAN slave fault in master/slave synchronization

Diagnostic context

What S-Err means on INVT GD270

S-Err indicates that a fault has occurred on one of the CAN slave VFDs participating in master/slave synchronization.

Operating context: The manufacturer directs diagnosis toward the CAN slave drive. Identify the affected slave VFD first, then analyze the corresponding fault reported by that drive.

This diagnostic context is an editorial explanation. The possible causes and recommended checks below are the verified manufacturer troubleshooting content.

Possible causes

  • Fault occurred to one of the CAN slave VFDs.

Recommended checks and actions

  • Detect the CAN slave VFD and analyze the corresponding fault cause of the VFD.

Technical source

INVT GD270 Manual EN - Fault S-Err — page 283