(page 548 "Handling Firmware Update Errors") and do the necessary steps. After this, download the
firmware again.
Power Failure
If firmware update is interrupted by power failure, the firmware is not correctly downloaded. In this
condition, machine operation is not guaranteed. You have to download the firmware again.
Handling Firmware Update Errors
An error message shows in the first line if an error occurs during a download. The error code consists of
the letter "E" and a number ("E20", for example).
Error Message Table
Code Meaning Solution
20 Cannot map logical address Make sure the SD card is inserted correctly.
21 Cannot access memory HDD connection incorrect or replace hard disks.
22
Cannot decompress compressed
data
Incorrect ROM data on the SD card or data is
corrupted.
23
Error occurred when ROM update
program started
Controller program abnormal. If the second attempt
fails, replace controller board.
24
SD card access error Make sure SD card inserted correctly, or use
another SD card.
31
Data incorrect for continuous
download
Insert the SD card with the remaining data required
for the download, the re-start the procedure.
32
Data incorrect after download
interrupted
Execute the recovery procedure for the intended
module download, then repeat the installation
procedure.
33
Incorrect SD card version Incorrect ROM data on the SD card, or data is
corrupted.
34
Module mismatch - Correct module is
not on the SD card)
SD update data is incorrect. Acquire the correct
data (Japan, Overseas, OEM, etc.) then install
again.
5. System Maintenance Reference
548