Vacon NXS/P Error 1: Overcurrent

AC drive · taken from the manufacturer’s manual, pages cited

Fault code1

Overcurrent occurs when there is too high a current in the motor cable, possibly due to a sudden heavy load increase or a short circuit in the motor cables. The manual's first action is: “Do a check of the loading. Do a check of the motor. Do a check of the cables and connections. Make an identification run.”

Model
Vacon NXS/P
Display shows
Overcurrent (1)
Type
Fault code
Source
Manual p. 150

What 1 means

Overcurrent p. 150

Common causes

  • There is too high a current (>4*1 H) in the motor cable. Its cause can be 1 of these. p. 150
  • a sudden heavy load increase p. 150
  • a short circuit in the motor cables p. 150
  • the motor is not the correct type p. 150

What to do

  1. Do a check of the loading. Do a check of the motor. Do a check of the cables and connections. Make an identification run. p. 150

Before you service the product, read the safety instructions in the manual p. 13.

If 1 is still not resolved

  • Contact service or dealer for assistance. p. 13
    “WARNING! Before you do electrical work, make sure that there is no voltage in the components of the drive.”
  • Contact service or dealer for assistance. p. 14
    “CAUTION! Do not touch the components on the circuit boards. Static voltage can cause damage to these components.”

This page summarises what the manufacturer’s manual says about 1; 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 Vacon. Found a mistake? Report an error.