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.  | 
30  | No HDD available for stamp data download  | HDD connection incorrect or replace hard disks.  | 
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.  | 
35  | Module mismatch – Module on SD card is not for this machine  | SD update data is incorrect. The data on the SD card is for another machine. Acquire correct update data then install again.  | 
36  | Cannot write module – Cause other than E34, E35  | SD update data is incorrect. The data on the SD card is for another machine. Acquire correct update data then install again.  | 
40  | Engine module download failed  | Replace the update data for the module on the SD card and try again, or replace the BCU board.  | 
42  | Operation panel module download failed  | Replace the update data for the module on the SD card and try again, or replace the LCDC.  | 
43  | Stamp data module download failed  | Replace the update data for the module on the SD card and try again, or replace the hard disks.  | 
44  | Controller module download failed  | Replace the update data for the module on the SD card and tray again, or replace controller board.  | 
50  | Electronic confirmation check failed  | SD update data is incorrect. The data on the SD card is for another machine. Acquire correct update data then install again.  |