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Hardware troubleshooting
Troubleshooting
Error codes or messages
Note:
In the charts,
x can represent any character.
Message
Cause and action
0175: Bad CRC1, stop
POST task
The EEPROM checksum is not correct (block # 6). Have the computer
serviced.
0187: EAIA data access
error
The access to EEPROM has failed. Have the computer serviced.
0188: Invalid RFID
serialization information
area or bad CRC2
The EEPROM checksum is not correct (block # 0 and 1, or block # 6).
The system board should be replaced, and the box serial number needs
to be reinstalled. Have the computer serviced.
0189: Invalid RFID
configuration information
area
The EEPROM checksum is not correct (blocks # 4 and 5). The system
board should be replaced, and the UUID needs to be reinstalled. Have the
computer serviced.
0190: Critical low-battery
error
The computer turned off, because the battery is low. Connect the ac
adapter to the computer and charge the battery pack, or replace the
battery pack with a fully charged one.
0193: RF antenna has
been removed
The RFID antenna that you installed has been removed. Enter the
supervisor password to return your computer to normal operation.
0194: The computer is
carried through the
security gate
The computer has been carried through a security portal gate. Enter the
supervisor password to return your computer to the normal operation.
0200: Hard disk error
The hard disk is not working. Make sure that the hard disk drive is
attached firmly. Run the BIOS Setup Utility (refer to “Starting BIOS Setup
Utility” on page 7); then make sure that the hard disk drive is not disabled
in the Startup menu.
16
IBM ThinkPad A20 User's Reference
Summary of Contents for THINKPAD A20M
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