Ningbo Anson Hi Series Error Er055: Hardware overvoltage

Servo drive · taken from the manufacturer’s manual, pages cited

Error codeEr055

Hardware overvoltage happens when the current loop value (Pi) is too large, there’s a short circuit or ground connection on the output side, or the encoder wire is loose or disconnected. The manual's first action is: “1.Adjust the parameters of PI, and reduce Kp (C1.00, C1.02).”

Model
Ningbo Anson Hi Series
Display shows
Hardware overvoltage (Er055)
Type
Error code
Source
Manual p. 85

What Er055 means

Hardware overvoltage p. 85

Common causes

  • 1.Current loop value(Pi) is too large. p. 85
  • 2.The short circuit and ground connection occur in the output side of the drive. p. 85
  • 3.The encoder wire is loose or disconnected. p. 85
  • 4.Motor parameters (Ls) are wrong. p. 85

What to do

  1. 1.Adjust the parameters of PI, and reduce Kp (C1.00, C1.02). p. 85
  2. 2.Check the motor insulation or line-to-ground insulation. p. 85
  3. 3.Check the wiring of encoder. p. 85
  4. 4.Check motor parameters. p. 85

If Er055 is still not resolved

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

This page summarises what the manufacturer’s manual says about Er055; 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 Ningbo Anson. Found a mistake? Report an error.