GSK GS2000T Series Error Err-2: Main circuit DC bus voltage is excessive.

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

Alarm codeErr-2

Main circuit DC bus voltage is excessive because the braking resistor is disconnected, damaged, or has an excessive resistance value. The manual's first action is: “Check braking resistor and its connection.”

Model
GSK GS2000T Series
Display shows
Main circuit DC bus voltage is excessive. (Err-2)
Type
Alarm code
Source
Manual p. 119

What Err-2 means

Main circuit DC bus voltage is excessive. p. 119

Common causes

  • 1. Braking resistor is disconnected or damaged; p. 119
  • 2. Braking resistor is unmatched (resistance value is excessive) p. 119

What to do

  1. Check braking resistor and its connection. p. 119
  2. A. Change to a new braking resistor whose resistance is matched with the power. B. Reduce the ON/OFF frequency according to actual usage. C. Increase acceleration/deceleration time. p. 119

If Err-2 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-2; 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.