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Overview of Actions taken against Troubles
Location with failure
TPM Setting: ON
TPM Setting: OFF
Relevant Error Code
TPM PCB
1. Check the TPM PCB connection
2. Replace the TPM PCBs
3. Turn OFF/ ON the power
4. See the section of “Restoring TPM Key” to restore the TPM key.
5. Turn OFF/ ON the main power for recovery
N/A (TPM PCB is not in use when the TPM setting is set to OFF.)
Initially E746-0031 error is shown on the screen. When the power is turned OFF/ON after the TPM PCB is replaced, E746-0032 error is shown (only when the TPM setting is set to ON).
HDD
1. Replace the HDDs.
2. Format the HDD.
3. Download the system software.
4. See the section of “Disabling Functionality” to execute “Initialize All Data/ Settings”.
5. Turn OFF/ON the power. The TPM setting is automatically set to OFF.
6. Set the TPM setting to ON (the public key and the common key are automatically set).
1. Replace the HDDs.
2. Format the HDD.
3. Download the system software.
4. Restore the password information stored in the HDD.
Initially E602-xxxx error is shown (the different extension is shown depends on cases). After the system software is reinstalled, E746-0033 error is shown.
Main Controller PCB 2 (SRAM)
1. Replace the main controller PCB 2.
The common key backed up in the HDD will be automatically restored in the SRAM.
2. The TPM setting on the control panel is reset to OFF. Manually set the TPM setting to ON (the machine is operated in the TPM setting ON).
3. Restore the password information stored in the SRAM *.
1. Replace the main controller PCB 2.
The common key backed up in the HDD will be automatically restored in the SRAM.
2. Restore the password information stored in the SRAM *.
E747-xxxx error (the different extension is shown depends on cases).
* If “No” is indicated in the field of Backup Column in the table of “Security Information Storage Location”, the relevant information should be set manually again.