Mitsubishi Electric E.OC3

Brand: Mitsubishi ElectricModel: PLC (FX5U / iQ-R / iQ-F Series)Error code: E.OC3

What the Fault Means

Overcurrent during deceleration

Likely causes

  • Deceleration too fast; regenerative peak current

Solution and Safe First Checks

  1. Increase Pr.8 (deceleration time); add brake resistor

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 E.OC3 · Zeror.ai