Wrong Display Firmware Version

What does E2-23 mean?

The display unit has an incompatible or incorrect firmware version installed. This mismatch can lead to the display not functioning, showing corrupted graphics, failing to communicate with the main processor, or displaying incorrect information. This hinders effective user interaction and diagnosis.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Verify the integrity of the firmware file used for the update.

2. 4

   If unable to update or the problem persists, replace the display unit as it may be faulty or permanently incompatible.