• Code: 863
• Description: HDD: Read error
• Causes: Turn the main switch off and on. Replace the HDD. Replace the controller.

• Code: 864
• Description: HDD: CRC error
• Causes: Turn the main switch off and on. Replace the HDD.

• Code: 865
• Description: HDD: Access error
• Causes: Turn the main switch off and on. Replace the HDD.

• Code: 900
• Description: Electrical counter error
• Causes: Turn the main switch off and on. Check the connection between NVRAM and controller. Replace the NVRAM. Replace the controller.

• Code: 990
• Description: Software performance error
• Causes: Turn the main switch off and on. Reinstall the controller and/or engine main firmware. See NOTE at the end of this table.

• Code: 991
• Description: Unexpected software error
• Causes: The machine does not stop and the SC code is not displayed. The machine automatically recovers. However, the SC code is logged in the engine summary sheet (SMC).

• Code: 998
• Description: Application start error
• Causes: Turn the main switch off and on. Check that the RAM DIMM and ROM DIMM are properly connected. Reinstall the controller system firmware. Replace the controller.

• Code: 999
• Description: Program installation error
• Causes: Controller DIP SW1 setting incorrect. Defective software on IC card. Controller software download error. Replace the controller.