LG Electronics LW20 service manual DMA test failed System board 02F6

Models: LW20

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Ch4. Symptom-to-part index

Symptom / Error

 

FRU or action, in sequence

 

 

0251

Replace the backup battery and run BIOS Setup Utility

System CMOS checksum bad

to reset the time and date.

– System CMOS checksum is not correct.

 

 

– Default configuration used.

 

 

 

 

0252

Reset the password by running BIOS Setup Utility.

Password checksum bad – The password is

 

 

cleared.

 

 

 

 

 

0260

1.

Replace the backup battery and run BIOS

System timer error

 

Setup Utility to reset the time and date.

 

2.

System board.

 

 

0271

Run BIOS Setup Utility to reset the time and date.

Check date and time settings – Date and time

 

 

error.

 

 

 

 

0280

1. Load “Setup Default” in BIOS Setup Utility.

Previous boot incomplete

2.

DIMM.

- Default configuration used

3.

System board.

 

 

0281: Memory Size found by POST differed

Load Setup Defaults in BIOS Setup Utility.

from EISA CMOS

 

 

 

 

02D0

1. Load “Setup Default” in BIOS Setup Utility.

System cache error – Cache disabled

2.

System board.

(RAM cache failed and BIOS disabled)

 

 

 

 

02F4

1. Load “Setup Default” 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

 

 

02F6

1. DIMM

Software NMI failed

2.

System board

 

 

 

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Page 31
Image 31
LG Electronics LW20 service manual DMA test failed System board 02F6