Fault code

INVT GD20 UV DC bus under-voltage

Possible causes

  • The voltage of the power supply is too low.
  • The overvoltage stall protection is not open.

Recommended checks and actions

  • Check the input power of the supply line.
  • Check the setting of relative function codes.

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 83