IBM 86607SU Hardware Maintenance Manual - Page 16
Notes, IS THE SYSTEM PART OF A CLUSTER?, Power Supply problems, see Symptom-to-FRU - computers
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(CONTINUED) Notes 1. For systems that are part of a shared DASD cluster, run one test at a time in looped mode. Do not run all tests in looped mode, as this could enable the DASD diagnostic tests. 2. If multiple error codes are displayed, diagnose the first error code displayed. 3. If the computer hangs with a POST error, go to the "Symptom-to-FRU index" on page 264. 4. If the computer hangs and no error is displayed, go to "Undetermined problems" on page 291. 5. Power Supply problems, see "Symptom-to-FRU index" on page 264. 6. Safety information, see "Safety information" on page 308. 7. For intermittent problems, check the error log; see, "Error logs" on page 99. 001 IS THE SYSTEM PART OF A CLUSTER? Yes No 002 Go to Step 004. 003 Schedule maintenance with the customer. Shut down all systems related to the cluster. Run storage test. 004 - Power-off the computer and all external devices. - Check all cables and power cords. - Set all display controls to the middle position. - Power-on all external devices. - Power-on the computer. - Check the control panel system error LED; if on, see "Control panel system error LED" on page 267. - Check the error log. If an error was recorded by the system, see "Symptom-to-FRU index" on page 264. - Start the Diagnostic Programs. See "Running Diagnostic programs" on page 13. - Check for the following responses: 1. No beep. 2. Readable instructions or the Main Menu. (Step 004 continues) 8 Netfinity Server HMM