Lenovo ThinkPad T550 (English) Hardware Maintenance Manual - ThinkPad T550, W5 - Page 43

Error messages, Beep symptoms, Table 1. Numeric error codes continued, Table 2. Error messages

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Table 1. Numeric error codes (continued) Symptom or error 2100 Detection error on HDD0 (Main HDD) 2101 Detection error on SSD1 (M.2) 2102 Detection error on SSD2 (M.2) 2110 Read error on HDD0 (Main HDD) 2111 Read error on SSD1 (M.2) 2112 Read error on SSD2 (M.2) 2200 Machine Type and Serial Number are invalid. 2201 Machine UUID is invalid FRU or action, in sequence 1. Reseat the hard disk drive. 2. Main hard disk drive 3. System board The M.2 SSD device is not working. Have the M.2 SSD device serviced. The M.2 SSD device is not working. Have the M.2 SSD device serviced. 1. Reseat the hard disk drive. 2. Main hard disk drive 3. System board The M.2 SSD device is not working. Have the M.2 SSD device serviced. The M.2 SSD device is not working. Have the M.2 SSD device serviced. System board System board Error messages Table 2. Error messages Symptom or error Fan error Thermal sensing error FRU or action, in sequence 1. Fan 2. Thermal grease 3. System board System board Beep symptoms Table 3. Beep symptoms Symptom or error One short beep, pause, three short beeps, pause, three more short beeps, pause, and one short beep (1-3-3-1 beeps) One long and two short beeps Three short beeps, pause, one short beep, pause, one short beep, pause, and three more short beeps (3-1-1-3 beeps) Four cycles of four short beeps Five short beeps Five short beeps, pause, five more short beeps, and pause FRU or action, in sequence Memory problem Video problem PCI resource problem TCG*-compliant functionality-related problem System board TCG*-compliant functionality-related problem Chapter 4. Related service information 37

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Table 1. Numeric error codes (continued)
Symptom or error
FRU or action, in sequence
2100
Detection error on HDD0 (Main HDD)
1.
Reseat the hard disk drive.
2. Main hard disk drive
3. System board
2101
Detection error on SSD1 (M.2)
The M.2 SSD device is not working. Have the M.2
SSD device serviced.
2102
Detection error on SSD2 (M.2)
The M.2 SSD device is not working. Have the M.2
SSD device serviced.
2110
Read error on HDD0 (Main HDD)
1.
Reseat the hard disk drive.
2. Main hard disk drive
3. System board
2111
Read error on SSD1 (M.2)
The M.2 SSD device is not working. Have the M.2
SSD device serviced.
2112
Read error on SSD2 (M.2)
The M.2 SSD device is not working. Have the M.2
SSD device serviced.
2200
Machine Type and Serial Number are invalid.
System board
2201
Machine UUID is invalid
System board
Error messages
Table 2. Error messages
Symptom or error
FRU or action, in sequence
Fan error
1.
Fan
2. Thermal grease
3. System board
Thermal sensing error
System board
Beep symptoms
Table 3. Beep symptoms
Symptom or error
FRU or action, in sequence
One short beep, pause, three short beeps, pause, three
more short beeps, pause, and one short beep (1-3-3-1
beeps)
Memory problem
One long and two short beeps
Video problem
Three short beeps, pause, one short beep, pause, one
short beep, pause, and three more short beeps (3-1-1-3
beeps)
PCI resource problem
Four cycles of four short beeps
TCG
*
-compliantfunctionality-relatedproblem
Five short beeps
System board
Five short beeps, pause, five more short beeps, and
pause
TCG
*
-compliantfunctionality-relatedproblem
Chapter 4
.
Related service information
37