• Code: SC786
• Description: Z-Fold Memory Error
  Several attempts to write to the Zfold memory failed.
• Causes: • Turn the machine power off/on • EEPROM on Z-Folder main board defective

• Code: SC817
• Description: Boot loader error
  The boot loader cannot read one of the following: self-diagnostic module, kernel, or one of the files of the root file system, or the check of one of these items on the system SD card failed.
• Causes: • File or module on the system SD card is corrupted • File or module on the system SD card is illegal • Make sure that the system SD card is the one designed for the machine • Replace controller board.

• Code: SC819
• Description: Fatal kernel error
  Due to a control error, a RAM overflow occurred during system processing. One of the following messages was displayed on the operation panel.
• Causes: • System program defective • Controller board defective • Optional board defective • Replace controller firmware

• Code: SC821
• Description: Self-diagnostic error 1: ASIC
  The ASIC provides the central point for the control of bus arbitration for CPU access, for option bus and SDRAM access, for SDRAM refresh, and for management of the internal bus gate.
• Causes: • ASIC (controller board defective)

• Code: SC822
• Description: Self-diagnostic error 2: HDD
• Causes:

• Code: SC824
• Description: Self-diagnostic error 3: NVRAM
  NVRAM device does not exist, NVRAM device is damaged, NVRAM socket damaged
• Causes: • NVRAM defective • Controller board defective • NVRAM backup battery exhausted • NVRAM socket damaged

• Code: SC829
• Description: Self-diagnostic error 5: Optional RAM
  Verify error for optional RAM.
• Causes: • Make sure that the resident RAM is installed in the correct slot. • Make sure the optional RAM is installed in the correct slot (Slot 0)

• Code: SC833
• Description: Self-diagnostic error 8: Engine I/F ASIC
• Causes: