info Dixell

Status Ed

Programming data ready — indicates data is being programmed to/from Hot Key.

? What Causes This

Normal operation during Hot Key upload or download procedure.

What This Means

Wait for operation to complete. Press SET key if prompted. Remove Hot Key when operation is finished.

Source: page 2 of the official manual

From the manual

Manual page 2 — Dixell error Ed

This error code appears in:

Dixell XR06CX Temperature Controller