Remedy: 1. Software defective; switch off/on, or change the controller firmware if the problem is not solved 2. Insufficient memory
Code: 921
Description: Printer font error A necessary font is not found in the SD card.
Causes: A necessary font is not found in the SD card. The SD card data is corrupted.
Remedy: 1. Check that the SD card has the correct data.
Code: 925
Description: Netfile function error The management area or management file on the HDD is corrupted.
Causes: Defective HDD. Data inconsistency (e.g., caused by power failure)
Remedy: When SC 860-865 keep occurring: 1. Follow the troubleshooting procedures. In other cases: 1. Initialize the netfile partition. 2. Initialize the hard disk. 3. Replace the HDD.
Code: 990
Description: Software performance error The software makes an unexpected operation.
Remedy: 1. Turn the main switch off and on. 2. Reinstall the controller and/or engine main firmware.
Code: 991
Description: Software continuity error The software has attempted to perform an unexpected operation. However, unlike SC 990, the object of the error is continuity of the software.
Causes: Software program error. Internal parameter incorrect, insufficient working memory.
Remedy: 1. This SC is not displayed on the LCD (logging only).
Code: 992
Description: Undefined error Defective software program
Causes: An error undetectable by any other SC code occurred