GSK GS2000T Series Error Err-1: Motor speed exceeds the setting value of parameter PA54.

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

Alarm codeErr-1

Motor speed exceeds the setting value of parameter PA54 due to abnormal encoder feedback, incorrect encoder line settings, or control panel fault. The manual's first action is: “Check the motor and encoder and their signal connection state”

Model
GSK GS2000T Series
Display shows
Motor speed exceeds the setting value of parameter PA54. (Err-1)
Type
Alarm code
Source
Manual p. 119

What Err-1 means

Motor speed exceeds the setting value of parameter PA54. p. 119

Common causes

  • 1. The encoder feedback signal is abnormal; p. 119
  • 2. Parameter PA54 (peak speed limit) is set too small or encoder lines setting is smaller than the actual encoder lines; p. 119
  • 3. Control panel fault p. 119

What to do

  1. Check the motor and encoder and their signal connection state p. 119
  2. Change a servo drive unit. p. 119

If Err-1 is still not resolved

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

Open the manual at page 119 All GS2000T Series error codes Manual details & download

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