• Code: 900
• Description: Electric counter error
  Abnormal data in the counters.
• Causes: • Defective NVRAM • Defective controller
• Remedy: 1. Check the connection between the NVRAM and controller. 2. Replace the NVRAM. 3. Replace the controller.

• Code: 910...915
• Description: External Controller Error
• Causes: The external controller alerted the machine about an error.
• Remedy: • Please refer to the instructions for the external controller (application).

• Code: 919
• Description: External Controller Error 6
  While EAC (External Application Converter), the conversion module, was operating normally, the receipt of a power line interrupt signal from the FLUTE serial driver was detected, or BREAK signal from the other station was detected.
• Causes: • Power outage at the EFI controller • EFI controller was rebooted • Connection to EFI controller loose
• Remedy:

• Code: 920
• Description: Printer application error
  An error is detected in the printer application program.
• Causes: • Defective software • Unexpected hardware resource (e.g., memory shortage)
• 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: Check that the SD card has the correct data.

• Code: 990
• Description: Software performance error
  The software makes an unexpected operation.
• Causes: • Defective software • Defective controller • Software error
• Remedy: 1. Turn the main switch off and on. 2. Reinstall the controller and/or engine main firmware. • See Note 1 at the end of the SC table.

• 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: 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
• Remedy: • An error undetectable by any other SC code occurred