Lenovo Thinkpad X230s, Hardware Maintenance Manual

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Table 2. Numeric error codes (continued)
Symptom or error FRU or action, in sequence
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 .
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.
Five short beeps Replace the system board.
One long beep and two short beeps Replace the system board.
No-beep symptoms
Table 5. No-beep symptoms
Symptom or error
FRU or action, in sequence
No beep, system status indicator on, LCD blank, and no
POST. 1. Ensure that every connector is connected tightly
and correctly
.
2. Reseat memory module.
3. Replace the system board.
No beep, system status indicator on, and LCD blank
during POST. 1. Reseat memory module .
2. Replace the system board.
The power-on password prompt appears. A power-on password or a supervisor password is set.
Type the password and press
Enter .
The hard-disk password prompt appears. A hard disk password is set. Type the password and
press
Enter .
LCD-related symptoms
Important: The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). The
presence of a small number of dots that are missing, discolored, or always lighted is characteristic of TFT
LCD technology, but excessive pixel problems can cause viewing concerns.If the LCD you are servicing has
Chapter 4
.
Related service information
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