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v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 8, “Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823,” on page 237 to
determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Error code Description Action
3818001 Core Root of Trust Measurement (CRTM)
update failed
1. Run the Setup utility, select Load Default
Settings, and save the settings.
2. (Trained service technician only) Replace the
system board.
3818002 Core Root of Trust Measurement (CRTM)
update aborted
1. Run the Setup utility, select Load Default
Settings, and save the settings.
2. (Trained service technician only) Replace the
system board.
3818003 Core Root of Trust Measurement (CRTM)
flash lock failed
1. Run the Setup utility, select Load Default
Settings, and save the settings.
2. (Trained service technician only) Replace the
system board.
3818004 Core Root of Trust Measurement (CRTM)
system error
1. Run the Setup utility, select Load Default
Settings, and save the settings.
2. (Trained service technician only) Replace the
system board.
3818005 Current Bank Core Root of Trust
Measurement (CRTM) capsule signature
invalid
1. Run the Setup utility, select Load Default
Settings, and save the settings.
2. (Trained service technician only) Replace the
system board.
3818006 Opposite bank CRTM capsule signature
invalid
1. Switch the firmware bank to the backup bank.
2. Run the Setup utility, select Load Default
Settings, and save the settings.
3. Switch the bank back to the current bank.
4. (Trained service technician only) Replace the
system board.
3818007 CRTM update capsule signature invalid
1. Run the Setup utility, select Load Default
Settings, and save the settings.
2. (Trained service technician only) Replace the
system board.
Chapter 5. Diagnostics 37