Mitsubishi Electric AL.20

Brand: Mitsubishi ElectricModel: Servo Sürücü — MR-J2S / MR-J3 / MR-J4Error code: AL.20

What the Fault Means

Encoder hatası - mutlak konum verisi bozuk

Likely causes

  • Encoder pil boşalmış
  • Encoder arızalı

Solution and Safe First Checks

  1. Encoder pilini değiştirin
  2. Homing prosedürü yapın
  3. Encoder değiştirin

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

Related Mitsubishi Electric error codes

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