INVT GD270 DNE – Parameter download error

Diagnostic context

What DNE means on INVT GD270

DNE identifies a parameter download error on the GD270. The official troubleshooting table points to keypad cable problems, cable-related interference and a keypad data-storage error.

Operating context: DNE is associated with downloading parameter data from the keypad. In addition to checking the communication path, the manual specifically includes re-backing up keypad data.

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

Possible causes

Keypad cable connected improperly or disconnected.
Keypad cable too long, causing strong interference.
Data storage error occurred to the keypad.

Recommended checks and actions

Check for and remove the external interference source.
Replace the hardware and seek maintenance services.
Re-back up the data on the keypad.

Technical source

INVT GD270 Manual EN - Fault DNE — page 280