IBM 8681 Hardware Maintenance Manual - Page 199

Error Symptom Diskette drive in-use light stays on; or the in-use light flashes, but the diskette is not read; or the system bypasses the diskette drive. Diskette drive is not working or is not accessible. Diskette drive does not configure. Diskette drive will not read or write to the media. CPU Fan is running, but the CPU Fan LED is on. CPU Fans (all) are not turning, but the I/O fans are turning. CPU Fans (only) continuously running fast. I/O Fan is running, but the I/O Fan LED is on. FRU/Action If there is a diskette in the drive, verify that: 1. The diskette drive is enabled in the configuration programs. 2. The diskette is properly formatted. 3. The diskette is good and not damaged. (Try another diskette if you have one.) 4. The diskette is inserted correctly in the drive. 5. The diskette contains the necessary files to start the server. 6. The software program is OK. If the diskette drive in-use light stays on, or the system continues to configure or bypass the diskette drive, exchange FRUs in the following order: 1. Diskette drive 2. Drive cable 3. I/O function card 1. Check diskette drive cable. 2. Diskette drive 3. I/O function card 4. Media power cable 1. Check diskette drive cable. 2. Diskette drive 3. I/O function card 4. Media power cable 1. Try different media. 2. Check the diskette drive cable. 3. Diskette drive 4. I/O function card 5. Media power cable 1. Fan 2. LED card 1. LED card 2. Power control card 1. LED Card 2. Power Control Card 1. Fan 2. Power control card Netfinity 8500R - Type 8681 191