Lenovo 27523KU, Hardware Maintenance Manual, Page: 55 / 218

Table 2. Numeric error codes (continued)
Symptom or error FRU or action, in sequence
2110
Read error on HDD0 (Main hard disk drive)
1. Reseat the hard disk drive.
2. Main hard disk drive.
3. System board.
2112
Read error on HDD1 (Ultrabay hard disk drive)
1. Reseat the hard disk drive.
2. Ultrabay hard disk drive.
3. System board.
Error messages
Table 3. Error messages
Symptom or error FRU or action, in sequence
Device address conflict.
1. Load Setup Defaults in the BIOS Setup Utility .
2. Backup battery.
3. System board.
Allocation error for device. 1. Load Setup Defaults in the BIOS Setup Utility .
2. Backup battery.
3. System board.
Failing bits: nnnn. 1. DIMM .
2. System board.
Invalid system configuration data. 1. DIMM .
2. System board.
I/O device IRQ conflict. 1. Load Setup Defaults in the BIOS Setup Utility .
2. Backup battery.
3. System board.
Hibernation error. 1. Restore the system configuration to what it was
before the computer entered hibernation mode
.
2. If memory size has been changed, re-create the
hibernation file.
Fan error. 1. Fan .
2. Thermal grease.
3. System board.
Thermal sensing error.
System board .
Cannot boot from any device. Check the status of device which you want to boot
from.
Device not found.
1. The device you want to boot from.
2. System board.
Device Error.
1. The device you want to boot from.
2. System board.
No valid operating system.
1. Check that the operating system has no failure and is
installed correctly.
2. Reinstall the operation system.
Excluded from boot order.
• Enter the BIOS Setup Utility and add the device in boot
order.
Chapter 4
.
Related service information
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