Mitsubishi Electric Error 600

Brand: Mitsubishi ElectricModel: PLC (FX5U / iQ-R / iQ-F Series)Error code: Error 600

What the Fault Means

User authentication failure

Likely causes

  • Wrong username/password; account locked

Solution and Safe First Checks

  1. Reset password via GT Designer3 user management; or restore defaults

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 Error 600 · Zeror.ai