Lenovo ThinkPad T431s Hardware Maintenance Manual - Page 42

Error messages, Beep symptoms

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Table 2. Numeric error codes (continued) Symptom or error 2102 Detection error on HDD2 (Mini SATA) 2110 Read error on HDD0 (Main HDD) 2111 Read error on HDD1 (Ultrabay HDD) 2112 Read error on HDD2 (Mini SATA) 2200 Machine Type and Serial Number are invalid. 2201 Machine UUID is invalid FRU or action, in sequence 1. Reseat the Mini SATA device. 2. Replace the mini SATA device. 3. Replace the system board. 1. Reseat the hard disk drive. 2. Replace the main hard disk drive. 3. Replace the system board. 1. Reseat the hard disk drive. 2. Replace the Ultrabay hard disk drive. 3. Replace the system board. 1. Reseat the Mini SATA device. 2. Replace the mini SATA device. 3. Replace the system board. Replace the system board. Replace the system board. Error messages Table 3. Error messages Symptom or error Fan error. Thermal sensing error. 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. 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. FRU or action, in sequence 1. Replace the fan. 2. Apply thermal grease. 3. Replace the system board. Replace the system board. Replace the battery. Replace the battery. Beep symptoms Table 4. Beep symptoms Symptom or error Four cycles of four short beeps One short beep, pause, three short beeps, pause, three more short beeps, pause, and one short beep Three short beeps, pause, one short beep, pause, one more short beep, pause, and three short beeps FRU or action, in sequence Replace the system board. 1. Replace the memory module. 2. Replace the system board. Remove the device from ExpressCard slot. 36 Hardware Maintenance Manual

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Table 2. Numeric error codes (continued)
Symptom or error
FRU or action, in sequence
2102
Detection error on HDD2 (Mini SATA)
1.
Reseat the Mini SATA device.
2. Replace the mini SATA device.
3. Replace the system board.
2110
Read error on HDD0 (Main HDD)
1.
Reseat the hard disk drive.
2. Replace the main hard disk drive.
3. Replace the system board.
2111
Read error on HDD1 (Ultrabay HDD)
1.
Reseat the hard disk drive.
2. Replace the Ultrabay hard disk drive.
3. Replace the system board.
2112
Read error on HDD2 (Mini SATA)
1.
Reseat the Mini SATA device.
2. Replace the mini SATA device.
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 fan
.
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
.
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
.
Beep symptoms
Table 4. Beep symptoms
Symptom or error
FRU or action, in sequence
Four cycles of four short beeps
Replace the system board.
One short beep, pause, three short beeps, pause, three
more short beeps, pause, and one short beep
1.
Replace the memory module
.
2. Replace the system board.
Three short beeps, pause, one short beep, pause, one
more short beep, pause, and three short beeps
Remove the device from ExpressCard slot.
36
Hardware Maintenance Manual