Zeror.ai Error Codes INVT OC3

INVT OC3

Brand: INVTModel: GD270Error code: OC3

What the Fault Means

Overcurrent during constant speed running

Likely causes

  • To-ground short circuit or output phase loss
  • Strong external interference
  • Overcurrent stall protection not enabled

Solution and Safe First Checks

  1. Increase ACC/DEC time
  2. Check the input power
  3. Select a VFD with larger power
  4. Check the output wiring
  5. Check if there is strong interference

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

Related INVT error codes

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