Schneider Electric OBF

Brand: Schneider ElectricModel: PLC (Modicon M221 / M241 / M262)Error code: OBF

What the Fault Means

Braking Resistor Overload

Likely causes

  • Braking resistor too small; too frequent braking cycles

Solution and Safe First Checks

  1. Increase resistor wattage; reduce braking frequency; increase deceleration time

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

Related Schneider Electric error codes

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