Lenovo 019923U Hardware Maintenance Manual

Contents

Note: Do the FRU replacement or other actions in the sequence shown in the column headed “FRU oraction, in sequence.” If replacing a FRU does not solve the problem, put the original part back in thecomputer. Do not replace a nondefective FRU.This index can also help you determine, during regular servicing, what FRUs are likely to need to bereplaced next.A numeric error is displayed for each error detected in POST or system operation. In the displays, n canbe any number.If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is notdescribed there, go to “Intermittent problems” on page 46.Note: For a device not supported by diagnostic codes in the ThinkPad Notebooks, see the manual forthat device.Numeric error codesTable 2. Numeric error codesSymptom or error (beeps, if any) FRU or action, in sequence0187EAIA data access error—The access to EEPROM is failed.(two short beeps)System board.0189Invalid RFID configuration information area—TheEEPROM checksum is not correct.(two short beeps)System board.0190Critical low-battery error(two short beeps)1. Charge the battery pack.2. Battery pack.0191System Security—Invalid Remote Change requested.1. Run BIOS Setup Utility, and then save currentsetting by pressing F10.2. System board.0210Stuck Key(two short beeps)Change keyboard, and restart the computer.0211Keyboard error(two short beeps)Run interactive tests of the keyboard and the auxiliaryinput device.0230Shadow RAM error—Shadow RAM fails at offset nnnn.(two short beeps)System board.0231System RAM error—System RAM fails at offset nnnn.(two short beeps)1. Memory module.2. System board.0232Extended RAM error— Extended RAM fails at offset nnnn.(two short beeps)1. Memory module.2. System board.0250System battery error—System battery is dead.(two short beeps)1. Charge the backup battery for more than 8 hoursby connecting the ac adapter.2. Replace the backup battery and run BIOS SetupUtility to reset the time and date.Chapter 4. Related service information 43