GE Fuji AF-300 Mini™ Error OC1: Instantaneous overcurrent protection

GE Fuji AF-300 Mini Drive · taken from the manufacturer’s manual, pages cited

Alarm codeOC1

Instantaneous overcurrent protection, the drive output terminals were short-circuited, or during acceleration. The manual's first action is: “OC1, OC2 or OC3”

Model
GE Fuji AF-300 Mini™
Display shows
Instantaneous overcurrent protection (OC1)
Type
Alarm code
Source
Manual p. 76

What OC1 means

Instantaneous overcurrent protection p. 76

Common causes

  • Instantaneous overcurrent protection p. 76
  • The drive output terminals were short-circuited. p. 76
  • During acceleration p. 76

What to do

  1. OC1, OC2 or OC3 p. 76
  2. Remove the wires connected to the drive output terminals (U, V, and W) and measure the interphase resistance. Check if the resistance is too low. SUGGESTED ACTIONS - Remove the short-circuit (including replacement of the wires, relay terminals and motor). p. 76
  3. Stops the motor to protect the drive from an overcurrent resulting from overload. p. 76

Before you service the product, read the safety instructions in the manual p. 4.

If OC1 is still not resolved

  • Contact a qualified electrician for wiring p. 5
    “Wiring must only be performed only by a qualified electrician.”
  • Check that power is off before wiring p. 24
    “Check that the power is turned off before proceeding with any wiring Failure to do so may result in electric shock.”
Open the manual at page 76 All AF-300 Mini™ error codes Manual details & download

This page summarises what the manufacturer’s manual says about OC1; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with GE Fuji. Found a mistake? Report an error.