Lenovo ThinkPad 365E-ED ThinkPad 365, SelectaDock I - Hardware Maintenance Man - Page 216

reference page before replacing the FRU. The suspected FRU name is also displayed on the screen. The following table shows the FRU code: FRU Code 10 30 32 33 40 45 50 51 60 70 72 90 FRU System board Reserved External keyboard External mouse LCD unit External CRT 1. Reseat the diskette drive (FDD-1) 2. Diskette drive (FDD-1) 1. Reseat the diskette drive (FDD-2) 2. Diskette drive (FDD-2) 1. Reseat the hard disk drive 2. Hard disk drive PCMCIA-2 (Replicator) . PCMCIA slot assembly CD-ROM drive If the problem still remains after replacement of the FRUs, go to "Undetermined Problems" on page 209. Beep Symptoms Symptom / Error Continuous beeps. One beep and a blank, unreadable, or flashing LCD. One beep, and the message "Unable to access boot source." One long and two short beeps, and a blank or unreadable LCD. One long beep followed by four short beeps each time the power switch is operated. (System cannot power-on due to low battery voltage.) One beep every second. (System is shutting down due to low battery voltage.) FRU / Action in Sequence System board 1. Reseat the LCD connector. 2. LCD unit 3. System board 4. Subcard 1. Boot device 2. System board 1. System board 2. LCD unit Connect the AC Adapter or install a fully charged battery. Connect the AC Adapter or install a fully charged battery. (Allow the system to complete shutdown before changing the battery.) 204 IBM Mobile Systems - ThinkPad HMM Volume 3