Fault code

INVT GD20 OUt1 IGBT Ph-U fault

Diagnostic context

What OUt1 means on INVT GD20

OUt1 is the GD20 igbt ph-u fault. The manufacturer lists the acceleration is too fast. as one of the documented causes.

Operating context: Start with the manufacturer troubleshooting sequence. Increase Acc time. Change the power unit.

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

Possible causes

  • The acceleration is too fast.
  • IGBT module fault.
  • Misaction caused by interference.
  • The connection of the driving wires is not good.
  • Grounding is not properly.

Recommended checks and actions

  • Increase Acc time.
  • Change the power unit.
  • Check the driving wires.
  • Inspect external equipment and eliminate interference.

Technical source

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

INVT GD20 Manual EN - Fault tracking — page 93

Manual tiếng Việt INVT GD20 - Xử lý lỗi — page 82