Fault code

INVT GD20 DNE Parameter download error

Diagnostic context

What DNE means on INVT GD20

DNE is the GD20 parameter download error. The manufacturer lists the keypad is not in good connection or offline. as one of the documented causes.

Operating context: Start with the manufacturer troubleshooting sequence. Check the environment and eliminate the interference source. Change hardware and ask for maintenance service.

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

Possible causes

  • The keypad is not in good connection or offline.
  • The keypad cable is too long and there is strong interference.
  • Data storage error in keypad.

Recommended checks and actions

  • Check the environment and eliminate the interference source.
  • Change hardware and ask for maintenance service.
  • Backup data in the keypad again.

Technical source

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

INVT GD20 Manual EN - Fault tracking — page 96

Manual tiếng Việt INVT GD20 - Xử lý lỗi — page 85