GE Fuji AF-300 Mini™ Error OU1: Overvoltage protection

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

Alarm codeOU1

Overvoltage protection during acceleration. The manual's first action is: “OU1, OU2 or OU3”

Model
GE Fuji AF-300 Mini™
Display shows
Overvoltage protection (OU1)
Type
Alarm code
Source
Manual p. 76

What OU1 means

Overvoltage protection p. 76

Common causes

  • Overvoltage protection p. 76
  • During acceleration p. 76

What to do

  1. OU1, OU2 or OU3 p. 76
  2. The drive stops the motor by detecting an overvoltage (400 Vdc for 230 V series, 800 Vdc for 460 V series) in the intermediate dc circuit. p. 76

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

If OU1 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.”

This page summarises what the manufacturer’s manual says about OU1; 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.