GSK GS2000T Series Error Err-3: Main circuit DC bus voltage is too low

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

Alarm codeErr-3

Main circuit DC bus voltage is too low due to insufficient input power capacity or a faulty servo unit control panel. The manual's first action is: “Check the power capacity and electrical control cabinet.”

Model
GSK GS2000T Series
Display shows
Main circuit DC bus voltage is too low (Err-3)
Type
Alarm code
Source
Manual p. 119

What Err-3 means

Main circuit DC bus voltage is too low p. 119

Common causes

  • 1. The input power capacity is insufficient, which leads to low voltage; p. 119
  • 2. When it occurs when the power is turned ON, it means the servo unit control panel is faulty. p. 119

What to do

  1. Check the power capacity and electrical control cabinet. p. 119
  2. Change a servo drive unit. p. 119

If Err-3 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact GSK service.

This page summarises what the manufacturer’s manual says about Err-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 GSK. Found a mistake? Report an error.