Vacon 100 Flow Error 3: Earth fault (hardware fault)

Vacon 100 Flow drive · taken from the manufacturer’s manual, pages cited

Fault code3

Earth fault (hardware fault) is triggered when the sum of motor phase currents is not zero as measured. The manual's first action is: “Do a check of the motor cables and the motor. Do a check of the filters.”

Model
Vacon 100 Flow
Display shows
Earth fault (hardware fault) (3)
Type
Fault code
Source
Manual p. 365

What 3 means

Earth fault (hardware fault) p. 365

Common causes

  • The measurement of current tells that the sum of the motor phase current is not 0. p. 365

What to do

  1. Do a check of the motor cables and the motor. Do a check of the filters. p. 365

Before you service the product, read the safety instructions in the manual p. 88.

If 3 is still not resolved

  • contact your nearest service center or partner. p. 201
    “If the access code is lost, contact your nearest service center or partner.”
  • Go into the submenu Reset faults and use the parameter Reset Faults. p. 187
    “Go into the submenu Reset faults and use the parameter Reset Faults.”
Open the manual at page 365 All 100 Flow error codes Manual details & download

This page summarises what the manufacturer’s manual says about 3; 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.