• Code: 827
• Description: Self-diagnostic error: Standard SDRAM DIMM [XXXX]: Detailed error code
  Verification error
• Causes: Error detected during a write/verify check for the standard RAM (SDRAM DIMM).
• Remedy: 1. Turn the main switch off and on. 2. Replace the SDRAM DIMM. 3. Replace the controller.

• Code: 828
• Description: Self-diagnostic error: ROM
• Causes: [0101] Check sum error 1 The boot monitor and OS program stored in the ROM DIMM is checked. If the check sum of the program is incorrect, this SC code is displayed.
• Remedy:

• Code: 829
• Description: Self-diagnostic error: Optional RAM
  Verification error
• Causes: • Loose connection • Defective SDRAM DIMM • Defective controller
• Remedy: [0301] Verification error Error detected during a write/verify check for the optional RAM (SDRAM DIMM). • Loose connection • Defective SDRAM DIMM • Defective controller 1. Turn the main switch off and on. 2. Replace the SDRAM DIMM. 3. Replace the controller. [0302] Memory structure data error The memory structure data error for the optional RAM (SDRAM DIMM) is detected when the self-diagnostic is executed. • Defective RAM DIMM • Defective SPD ROM on RAM DIMM • Defective 12C bus Replace the RAM DIMM.

• Code: 833
• Description: Self-diagnostic error 8: Engine I/F ASIC
• Causes:
• Remedy: [0F30] [0F31] ASIC for system control could not be detected. After the PCI configuration, the device ID for the ASIC could not be checked. Replace the IPU. [0F41] ASIC for system control could not be detected. After the PCI configuration, the device ID for the ASIC could not be checked. Replace the IPU. [50B1] Could not initialize or read the bus connection. Check for loose connections at the mother board. Replace the IPU. [50B2] Value of the SSCG register is incorrect. Check for loose connections at the mother board. Replace the IPU.

• Code: 835
• Description: Self-diagnostic error: Centronic device
• Causes:
• Remedy: [1102] Loopback connector is connected but check results in an error. • IEEE1284 connector error • Centronic loopback connector defective Replace the controller board. [110C] Loopback connector is connected but check results in an error. • ASIC device error • IEEE1284 connector error • Centronic loopback connector defective Replace the controller board. [1120] Centronic loopback connector is not connected for detailed self-diagnostic test. • Centronic loopback connector not connected correctly • Centronic loopback connector defective • ASIC device defective Replace the controller board.

• Code: 838
• Description: Self-diagnostic Error: Clock Generator. A verify error occurred when setting data was read from the clock generator via the I2C bus.
• Causes: [2701] A verify error occurred when setting data was read from the clock generator via the I2C bus. • Defective clock generator • Defective I2C bus • Defective I2C port on the CPU
• Remedy: Replace the controller board.

• Code: 839
• Description: USB flash error
  This is a self-diagnostic error. The device ID of the on-board USB flash ROM was not recognized
• Causes: • Defective controller board.
• Remedy: Replace the controller board

• Code: 840
• Description: EEPROM error 1: EEPROM access
  During the I/O processing, reading error is occurred. The 3rd reading failure issues this SC code. • During the I/O processing, writing error is occurred.
• Causes: • Defective EEPROM
• Remedy: Replace the EEPROM.