Toshiba e-STUDIO 2555C Service Manual page 781

[F109_0] Key consistency error (Consistency check operation error)
Classification
Other service call
Check item
Setting
SRAM board (for SYS board)
SYS board
Replacement part
SRAM board
SYS board
[F109_1] Key consistency error (SRAM encryption AES key data damage)
Classification
Other service call
Check item
Setting
[F109_2] Key consistency error (Signature Check public key damage)
Classification
Other service call
© 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
Key consistency error - Key consistency check on each key
data fails.
Reboot the equipment.
If it cannot be recovered, reinstall the software in the
following procedure.
1. Install the system firmware.
2. If the error cannot be solved after installing the system
firmware, reinstall the system software and application
program.
 P. 11-21 "11.3.2 Update procedure"([A]Updating
firmware)
If the error is not cleared after the software reinstallation,
replace the SRAM board.
 P. 9-26 "9.2.5 Precautions and procedure when
replacing the SRAM board (for the SYS board)"
If the error is not cleared after this (see above), replace the
SYS board.
 P. 9-22 "9.2.4 Precautions and Procedures when
replacing the SYS board"
Key consistency error - AES key data used for SRAM
encryption are damaged.
Reboot the equipment.
If it cannot be recovered, reinstall the software in the
following procedure.
1. Install the system firmware.
2. If the error cannot be solved after installing the system
firmware, reinstall the system software and application
program.
 P. 11-21 "11.3.2 Update procedure"([A]Updating
firmware)
Key consistency error - Public key data used for Integrity Check
are damaged.
8 - 225
Contents
Measures
Measure
Contents
Measures
Contents
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
8