IBM 86655RY Hardware Maintenance Manual - Page 230

Diagnostic Panel LED PS1 LED on PS2 LED on PS3 LED on PS4 LED on SMI LED on TEMP LED on FRU/Action 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. Check the DC Good LED on power supply 3. If off, replace power supply 3. 2. Power Backplane. 1. Check the DC Good LED on power supply 4. If off, replace power supply 4. 2. Power Backplane. 1. Reboot the system. 1. Ambient temperature must be within normal operating specifications. See "Features and specifications" on page 3, and "Temperature error messages" on page 236. 2. Ensure fans are operating correctly. 3. Examine System Error Log. a. System over recommended temperature 1) Information LED Panel 2) I/O Legacy Board b. DASD over recommended temperature (DASD LED also on) 1) Overheating hard drive 2) DASD Backplane 3) I/O Legacy Board c. System over recommended temperature for CPU X (where X is CPU 1, 2, 3, or 4) (CPU LED also on) 1) CPU X 2) Processor/PCI Board d. I/O Legacy Board over recommended temperature 1) Processor/PCI Board 2) I/O Legacy Board Diagnostic error codes Note: In the following error codes, if XXX is 000, 195, or 197 do not replace a FRU. The description for these error codes are: 000 The test passed. 195 The Esc key was pressed to abort the test. 197 This is a warning error and may not indicate a hardware failure. For all error codes, replace/follow the FRU/Action indicated. 220 Hardware Maintenance Manual: Netfinity 7600 - Type 8665 Models 1RY, 2RY