The following table lists the control panel display that can appear if an error occurred during a firmware update, and explains the likely causes of the display and what action to take when they appear.
| Display | Likely Cause | Solution |
|---|---|---|
The Home screen (touch panel models) or “Ready” (four-line LCD models) does not appear on the control panel after one minute following a firmware update. | A power failure or similar interruption prevented the update from completing. | Refer to "If Initialization Does Not End Following a Firmware Update". |