Lenovo 2522K4U Input device, Load Setup Defaults in Bios Setup Utility, System board, 0231, 0232

Table 2. Numeric error codes (continued)

Symptom or error	FRU or action, in sequence
021x	Run interactive tests of the keyboard and the auxiliary
Keyboard error.	input device.
0220	Load Setup Defaults in BIOS Setup Utility.
Monitor type error—Monitor type does not match the one
specified in CMOS.
0230	System board.
Shadow RAM error—Shadow RAM fails at offset nnnn.
0231	1.	DIMM.
System RAM error—System RAM fails at offset nnnn.	2.	System board.
0232	1.	DIMM.
Extended RAM error— Extended RAM fails at offset nnnn.	2.	System board.
0250	1.	Charge the backup battery for more than 8 hours
System battery error—System battery is dead.		by connecting the ac adapter.
	2.	Replace the backup battery and run BIOS Setup
		Utility to reset the time and date.
0251	1.	Charge the backup battery for more than 8 hours
System CMOS checksum bad— Default configuration		by connecting the ac adapter.
used.	2.	Replace the backup battery and run BIOS Setup
		Utility to reset the time and date.
0252	Reset the password by running BIOS Setup Utility.
Password checksum bad—The password is cleared.
0260	1.	Charge the backup battery for more than 8 hours
System timer error.		by connecting the ac adapter.
	2.	Replace the backup battery and run BIOS Setup
		Utility to reset the time and date.
	3.	System board.
0270	1.	Charge the backup battery for more than 8 hours
Real-time clock error.		by connecting the ac adapter.
	2.	Replace the backup battery and run BIOS Setup
		Utility to reset the time and date.
	3.	System board.
0271	Run BIOS Setup Utility to reset the time and date.
Date and time error—Neither the date nor the time is set
in the computer.
0280	1.	Load “Setup Default” in BIOS Setup Utility.
Previous boot incomplete— Default configuration used.	2.	DIMM.
	3.	System board.
02B2	1.	Diskette drive.
Incorrect drive A type.	2.	External FDD cable.
	3.	I/O card.
02D0
System cache error.
02F0	1.	CPU.
CPU ID:xx Failed.	2.	System board.
02F4	1.	Load Setup Defaults in BIOS Setup Utility.
EISA CMOS not writable.	2.	Replace the backup battery.
	3.	System board.
02F5	1.	DIMM.
DMA test failed.	2.	System board.

Chapter 4. Related service information 63