Zeror.ai Error Codes Yaskawa A.C20

Yaskawa A.C20

Brand: YaskawaModel: Sigma-7 Servo Sürücü (A.xxx Alarm Kodları)Error code: A.C20

What the Fault Means

Phase Loss

Likely causes

  • Çıkış fazı (U/V/W) kopuk veya asimetrik

Solution and Safe First Checks

  1. Motor kablo bağlantılarını kontrol et; motor sargısını ölç

Safety: do not work inside the panel without isolating the power; if unsure, consult a qualified technician.

Related Yaskawa error codes

Source: the Zeror.ai industrial fault database and Yaskawa technical documentation. This page is for information; on critical systems follow the manufacturer's manual and authorised service.