Table 2. Numeric error codes (continued)Symptom or error FRU or action, in sequence0187EAIA data access errorReplace the system board.0188Invalid RFID Serialization Information Area.Replace the system board.0189Invalid RFID Configuration Information Area.Replace the system board.0190Critical low-battery error1. Charge the battery pack.2. Replace the battery pack.0191System Security—Invalid Remote Change requested.1. Run the ThinkPad Setup program, and then savecurrent setting by pressing F10.2. Replace the system board.0199System Security— Security password retry countexceeded.1. Run the ThinkPad Setup program. The retry countwill be reset. Then save the current settings bypressing F10.2. Replace the system board.0251System CMOS checksum bad - Default configurationused.1. Charge the coin-cell battery for more than 8 hoursby connecting the ac adapter.2. Replace the coin-cell battery and run ThinkPad Setupto reset the time and date.0271Real-Time Clock Error. Check Date and Time settings.1. Run ThinkPad Setup to reset the time and date2. Replace the coin-cell battery and run ThinkPad Setupto reset the time and date.1802Unauthorized network card is plugged in—Power off andremove the network card.1. Remove network card.2. Replace the system board.1820More than one external fingerprint reader are attached.Power off and remove all but the reader that you set upwithin your main operating system.Remove all but the reader that you set up for theauthentication.2000ThinkVantage Active Protection sensor diagnostics failed.Have the computer serviced.2100Detection error on HDD0 (Main HDD)1. Reseat the hard disk drive.2. Replace the main hard disk drive.3. Replace the system board.2101Detection error on HDD1 (Mini SATA)1. Reseat the Mini SATA device.2. Replace the mini SATA device.3. Replace the system board.2110Read error on HDD0 (Main HDD)1. Reseat the hard disk drive.2. Replace the main hard disk drive.3. Replace the system board.2111Read error on HDD1 (Mini SATA)1. Reseat the Mini SATA device.2. Replace the mini SATA device.3. Replace the system board.2200Machine Type and Serial Number are invalid.Replace the system board.2201Machine UUID is invalidReplace the system board.40 E470, E470c, and E475 Hardware Maintenance Manual