Lenovo ThinkPad T470 20HD, Hardware Maintenance Manual, Page: 47 / 116

Table 2. Numeric error codes (continued)
Symptom or error FRU or action, in sequence
2110
Read error on Storage Device (Main HDD)
1. Reseat the hard disk drive.
2. Replace the hard disk drive.
3. Replace the system board.
2111
Read error on Storage Device (Main HDD)
1. Reseat the M.2 solid-state drive.
2. Replace the M.2 solid-state drive.
3. Replace the system board.
2112
Read error on Storage Device (Main HDD)
1. Reseat the hard disk drive or the solid-state drive.
2. Replace the hard disk drive or the solid-state drive.
3. Replace the system board.
2200
Machine Type and Serial Number are invalid.
Replace the system board.
2201
Machine UUID is invalid
Replace the system board.
Error messages
Table 3. Error messages
Symptom or error FRU or action, in sequence
Fan error. 1. Replace the thermal fan assembly .
2. Apply thermal grease.
3. Replace the system board.
Thermal sensing error. Replace the system board .
The battery installed is not supported by this system and
will not charge. Please replace the battery with the correct
Lenovo battery for this system. Press the ESC key to
continue. Replace the battery pack .
This system does not support batteries that are not
genuine Lenovo made or authorized. The system will
continue to boot, but may not charge unauthorized
batteries. Press the ESC key to continue.
Attention: Lenovo has no responsibility for the
performance or safety of unauthorized batteries, and
provides no warranties for failures or damage arising out
of their use.
Replace the battery pack .
Beep errors
Lenovo SmartBeep technology enables you to decode beep errors with your smartphone when a black
screen occurs with beeps from your computer. To decode the beep error with Lenovo SmartBeep
technology, do the following:
1. Go to
http://support.lenovo.com/smartbeep
or scan the following QR Code.
Chapter 4
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Related service information
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