Fault code

INVT GD20 tE Motor autotune fault

Diagnostic context

What tE means on INVT GD20

tE is the GD20 motor autotune fault. The manufacturer lists the motor capacity does not comply with the inverter capability. as one of the documented causes.

Operating context: Start with the manufacturer troubleshooting sequence. Change the inverter mode. Set the rated parameter according to the motor name plate.

This diagnostic context is an editorial explanation. The possible causes and recommended checks below are the verified manufacturer troubleshooting content.

Possible causes

  • The motor capacity does not comply with the inverter capability
  • The rated parameter of the motor does not set correctly.
  • The offset between the parameters from autotune and the standard parameter is huge
  • Autotune overtime

Recommended checks and actions

  • Change the inverter mode
  • Set the rated parameter according to the motor name plate
  • Empty the motor load.
  • Check the motor connection and set the parameter.
  • Check if the upper limit frequency is above 2/3 of the rated frequency.

Technical source

INVT GD20 Manual EN - P07.27 Current fault type — page 62

INVT GD20 Manual EN - Fault tracking — page 95

Manual tiếng Việt INVT GD20 - Xử lý lỗi — page 84