Mitsubishi Electric 5000

Brand: Mitsubishi ElectricModel: PLC (FX5U / iQ-R / iQ-F Series)Error code: 5000

What the Fault Means

MELSECNET communication error

Likely causes

  • MELSECNET/H or /10 master-slave communication failure

Solution and Safe First Checks

  1. Check coaxial or twisted-pair cable; verify station numbers; check termination

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.