Fault code

INVT GD20 OH1 Rectifier module overheat

Possible causes

  • Air duct jam or fan damage
  • Ambient temperature is too high.
  • The time of overload running is too long.

Recommended checks and actions

  • Refer to the overcurrent solution
  • Redistribute dredge the wind channel or change the fan
  • Low the ambient temperature
  • Check and reconnect
  • Change the power
  • Change the power unit
  • Change the main control panel

Technical source

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

INVT GD20 Manual EN - Fault tracking — page 94

Manual tiếng Việt INVT GD20 - Xử lý lỗi — page 83