IBM 4500R Hardware Maintenance Manual - Page 124

Diagnostic Panel LED FRU/Action TEMP LED on (look at test 1. Ambient temperature must be within normal operating cases) specifications. See "Features and specifications" on page 3. 2. Ensure fans are operating correctly. 3. Examine System Error Log. a. System over recommended temperature 1) Information LED Panel 2) System Board b. DASD over recommended temperature (DASD LED also on) 1) Overheating hard drive 2) DASD Backplane 3) System Board c. System over recommended temperature for CPU X (where X is CPU 1, 2,) (CPU LED also on) 1) CPU X d. System Board over recommended temperature 4. If the CPU LED on the diagnostics panel is also on, one of the microprocessors has caused the error. 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. Error Code/Symptom 001-XXX-000 tests) (Failed core 1. System Board 001-XXX-001 tests) (Failed core 1. System Board 001-250-000 (Failed System Board ECC) 1. System Board 001-250-001 (Failed System Board ECC) 1. System Board 005-XXX-000 Video test) (Failed 1. System Board 011-XXX-000 (Failed COM1 Serial Port test) 1. System Board 011-XXX-001 (Failed COM2 Serial Port test) 1. System Board FRU/Action 116 Hardware Maintenance Manual: Netfinity 4500R Type 8656