Error Messages - Lenovo ThinkPad Edge 11 Hardware Maintenance Manual

Table 2. Numeric error codes (continued)
Symptom or error (beeps, if any)
0270
Real-time clock error.
(two short beeps)
0271
Date and time error— either the date nor the time is set in
the computer.
(two short beeps)
0280
Previous boot incomplete—Default configuration used.
(two short beeps)
02D0
System cache error.
(two short beeps)
02F0
CPU ID:xx Failed.
02F5
DMA test failed.
(two short beeps)
02F6
Software NMI failed
(two short beeps)
02F7
Fail-safe timer NMI failed
(two short beeps)
1802
Unauthorized network card is plugged in—Turn off and
remove the miniPCI network card.
(two short beeps)
1804
Unauthorized WAN card is plugged in—Power off and
remove the WAN card.

Error messages

Table 3. Error messages
Symptom or error (beeps, if any)
Bad CRC2. Enter BIOS Setup Utility, and load Setup
defaults.
(two short beeps)
Fan error.
(four short beeps, one long beep)
DRAM is unplugged.
(one short beep, pause, three short beeps, pause, three
short beeps, pause, one short beep.)
FRU or action, in sequence
1. Charge the backup battery for more than 8 hours
by connecting the ac adapter.
2. Replace the backup battery and run BIOS Setup
Utility to reset the time and date.
3. System board.
Run BIOS Setup Utility to reset the time and date.
1. Load "Setup Default" in BIOS Setup Utility.
2. DIMM.
3. System board.
1. CPU.
2. System board.
1. CPU.
2. System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
1. Remove the Mini PCI network card.
2. System board.
1. Remove the wireless WAN card.
2. System board.
FRU or action, in sequence
Press F1 to enter BIOS Setup Utility. Press F9, and
Enter to load the default setting. Then save the current
setting by pressing F10, and restart the computer.
1. Fan.
2. Thermal grease.
3. System board.
Memory card is not installed. Install memory card.
Chapter 4
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Related service information
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