IBM 86624RY Maintenance Manual - Page 299
J1, J2, J3, J4, J5, J6, Check the DC Good
UPC - 087944490654
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Diagnostic Panel LED DASD 2 LED on (The LED located next to the drive bay that the failing drive is installed in will be turned on.) FAN 1 LED on FAN 2 LED on FAN 3 LED on FAN 4 LED on MEM LED on (The LED next to the failing DIMM is on.) NMI LED on PCI 1 LED on PCI 2 LED on PS1 LED on PS2 LED on SMI LED on FRU/Action 1. Failing drive. 2. Be sure the fans are operating correctly and the air flow is good. 3. SCSI Backplane 1. Fan 1 2. Fan Cable 3. System Board 1. Fan 2 2. Fan Cable 3. System Board 1. Fan 3 2. Fan Cable 3. System Board 1. Fan 4 2. Fan Cable 3. Processor Board 1. Failing DIMM in slot J1, J2, J3, J4, J5, J6, J7, or J8). 2. Memory Board 3. Processor Board 1. Reboot the system. 2. Check the System Error Log. 1. PCI Card in slot 5. See "System board component locations" on page 279. 2. System Board 3. Processor Board 1. Card in slot 1 to 4 See "System board component locations" on page 279. 2. System Board 3. Processor Board 1. Check the DC Good LED on power supply 1. If off, replace power supply 1. 2. Power Backplane 1. Check the DC Good LED on power supply 2. If off, replace power supply 2. 2. Power Backplane 1. Reboot the system. Netfinity 5500 M20 - Type 8662 291