Schneider Electric **USF**

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

What the Fault Means

Undervoltage Fault

Likely causes

  • DC bara gerilimi minimum eşiğin altına düştü

Solution and Safe First Checks

  1. Besleme gerilimini (L1-L2-L3) ve şebeke kalitesini ölçün

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.

Schneider Electric **USF** · Zeror.ai