7310

Encoder Cable Fault

ABB · ACS800 Standard Firmware

What does 7310 mean?

A pulse encoder phase signal is missing, indicating a potential issue with the encoder, its wiring, or the encoder interface module. This will lead to inaccurate speed or position feedback for the drive, potentially affecting motor control stability.

Common Causes

  • Open circuit or short circuit in the encoder cable connection.
  • Damaged wiring or connector integrity between the encoder and control unit.
  • Interference or signal degradation on the encoder feedback lines.
  • Encoder cable disconnected or loose at either end.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the pulse encoder unit and all its wiring connections for damage or looseness.

  2. 2

    Inspect the pulse encoder interface module and all its wiring connections for damage or looseness.

Browse all codes in this manual (33)
Verified technical data. Last updated: March 2026

Related Faults

Source: ABB ACS800 Standard Firmware
ABB Error 7310: Encoder Cable Fault — Troubleshooting Guide | ErrorLib