Fault code

INVT GD20 CE 485 communication fault

Possible causes

  • The baud rate setting is incorrect.
  • Fault occurs to the communication wiring.
  • The communication address is wrong.
  • There is strong interference to the communication.

Recommended checks and actions

  • Set proper baud rate
  • Check the communication connection distribution
  • Set proper communication address.
  • Chang or replace the connection distribution or improve the anti-interference capability.

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