Vacon 100 Flow Error 7: Saturation

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

Fault code7

Saturation fault happens due to defective IGBT de-saturation, short circuit, or overload in the brake resistor. The manual's first action is: “This fault cannot be reset from the control panel. Make a power down of the drive. DO NOT RESTART THE DRIVE OR CONNECT THE POWER! Ask instructions from the factory.”

Model
Vacon 100 Flow
Display shows
Saturation (7)
Type
Fault code
Source
Manual p. 365

What 7 means

Saturation p. 365

Common causes

  • Defective IGBT de-saturation short circuit in the IGBT a short circuit or an overload in the brake resistor p. 365

What to do

  1. This fault cannot be reset from the control panel. Make a power down of the drive. DO NOT RESTART THE DRIVE OR CONNECT THE POWER! Ask instructions from the factory. p. 365

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

If 7 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.”

This page summarises what the manufacturer’s manual says about 7; 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.