Mitsubishi Electric AL.25

Brand: Mitsubishi ElectricModel: PLC (FX5U / iQ-R / iQ-F Series)Error code: AL.25

What the Fault Means

Absolute position lost

Likely causes

  • Absolute encoder battery was removed/dead; encoder backup failed

Solution and Safe First Checks

  1. Replace battery; re-execute absolute position reference setup

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.

Mitsubishi Electric AL.25 · Zeror.ai