Causes: There was unexpected interruption from ASIC.
Remedy: [Related parts] R1.00 - Harness betweens the Reader Controller PCB (UN_BO1/J109) and the Riser PCB (J7) - Bypass PCB (when non-Canon-made controller is installed) - Open I/F PCB (when non-Canon-made controller is installed) - Riser PCB - Main Controller PCB - HDD [Remedy] Check/replace the related harness/cable, connector and parts.
Code: 747-FF00-00
Description: Board error
Causes: There was unexpected interruption from ASIC.
Remedy: [Related parts] R1.00 - Harness betweens the Reader Controller PCB (UN_BO1/J109) and the Riser PCB (J7) - Bypass PCB (when non-Canon-made controller is installed) - Open I/F PCB (when non-Canon-made controller is installed) - Riser PCB - Main Controller PCB - HDD [Remedy] Check/replace the related harness/cable, connector and parts.
Code: 747-FF01-00
Description: Board error
Causes: There was unexpected interruption from ASIC.
Remedy: [Related parts] R1.00 - Harness betweens the Reader Controller PCB (UN_BO1/J109) and the Riser PCB (J7) - Bypass PCB (when non-Canon-made controller is installed) - Open I/F PCB (when non-Canon-made controller is installed) - Riser PCB - Main Controller PCB - HDD [Remedy] Check/replace the related harness/cable, connector and parts.
Code: 748-2000-00
Description: Main Controller PCB access error
Causes: Main Controller PCB Chip access error.
Remedy: Check/replace the Main Controller PCB
Code: 748-2001-00
Description: Main Controller PCB access error
Causes: Main Controller PCB memory access error.
Remedy: Check/replace the Main Controller PCB
Code: 748-2010-00
Description: Flash PCB error / HDD error
Causes: IPL (startup program) was not found, or the HDD could not be recognized.
Remedy: [Related parts] R1.00 - Harnesses between the Main Controller PCB and the HDD - HDD - Flash PCB - Main Controller PCB [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Disconnect the cable between the Main Controller PCB and the HDD, and turn ON the main power. a. When the error code has not been changed: 1. Obtain the necessary backup data by referring to the backup data list. 2. Enter safe mode using (2+8) startup, and execute [4] Clear/Format> [2] Flash Format (Flash format) using a USB flash drive. 3. After replacing the Flash PCB, reinstall the system software using SST or a USB flash drive. 4. Restore the backup data. b. When the error code has been changed to another one, see the remedy for the corresponding code. [Reference] For backup and restoration, refer to "Adjustment> Main Controller System" and "Appendix> Backup Data List" in the Service Manual.
Code: 748-2011-00
Description: Flash PCB error
Causes: OS was not found at startup.
Remedy: After replacing the Flash PCB, reinstall the system software using SST or a USB flash drive.
Code: 748-2012-00
Description: Flash PCB error
Causes: Cannot mount the OS in safe mode startup or No OS startup script
Remedy: After replacing the Flash PCB, reinstall the system software using SST or a USB flash drive.