IBM 8685 Hardware Maintenance Manual - Page 15
Rear view, FAULT system-error LED
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Rear view is recorded in the Error log. Check the Light Path Diagnostics panel for more detailed information (see "Light Path Diagnostics" on page 34). FAULT (system-error) LED: This amber LED is on when a system error occurs. An LED on the Light Path Diagnostics panel will also be on to further isolate the error. Hard disk drive activity LED: Each hot-swap drive has a hard disk drive activity LED. When this green LED is flashing, the drive is being accessed. Hard disk drive status LED: Each hot-swap drive has a hard disk drive status LED. When this amber LED is on continuously, the drive has failed. If an optional SCSI or RAID adapter is installed in the server, when the LED flashes slowly (one flash per second), the drive is being rebuilt. When the LED flashes rapidly (three flashes per second), the controller is identifying the drive. Diskette drive activity LED: When this LED is on, it indicates that the diskette drive is in use. Diskette-eject button: Press this button to release a diskette from the drive. CD-ROM drive activity LED: When this LED is on, it indicates that the CD-ROM drive is in use. CD-eject button: Press this button to release a CD from the drive. Notes: 1. The illustrations in this document might differ slightly from your hardware. 2. An amber LED illuminates when a system error or event has occurred. To identify the error or event, check the LEDs on the Light Path Diagnostics panel located on the server, or review the Error Log in the Configuration/Setup Utility program. For complete details about the Light Path Diagnostics panel, see "Light Path Diagnostics" on page 34. For more information about the Configuration/Setup Utility program, see "Choices available from the Configuration/Setup Utility main menu" on page 11. Chapter 1. General information 5