IBM JS20 Hardware Maintenance Manual - Page 161
Power, problems, Service, processor
![]() |
UPC - 000435230263
View all IBM JS20 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 161 highlights
Power problems Symptom FRU/action The blade server does not turn on. 1. Verify that: a. The power LED on the front of the BladeCenter unit is lit. b. The LEDs on all the BladeCenter power modules are lit. c. On a BladeCenter Type 8677 or similar unit, if the blade server is in blade bays 7 through 14, power modules are in power-module bays 1, 2, 3, and 4. d. On a BladeCenter T unit, if the blade server is in blade bays 6 through 8, power modules are in power-module bays 1, 2, 3, and 4. e. The power-on LED on the blade server control panel is flashing slowly. v If the power LED is flashing rapidly and continues to do so, the blade server is not communicating with the management module; reseat the blade server and go to step 3. v If the power LED is off, either the blade bay is not receiving power, the blade server is defective, or the LED information panel is loose or defective. f. Local power control for the blade server is enabled (use the BladeCenter management-module Web interface to verify), or the blade server was instructed through the management module (Web interface or IBM Director) to turn on. 2. If you just installed an option in the blade server, remove it, and restart the blade server. If the blade server now turns on, troubleshoot the option (see the documentation that comes with the option for information). 3. Try another blade server in the blade bay; if it works, replace the faulty blade server. 4. See "Undetermined problems" on page 156. The blade server turns off for no v Verify that all blade bays have a blade server, expansion unit, or filler blade apparent reason correctly installed. If these components are missing or incorrectly installed, an over-temperature condition may result in shutdown. Service processor problems Symptom Service processor reports a general monitor failure. FRU/action v Shut down the operating system and turn off the blade server; then, remove the blade server from the BladeCenter unit, wait for 30 seconds, reinstall the blade server in the BladeCenter unit, and restart the blade server. If the problem remains, see "Undetermined problems" on page 156 and the Hardware Maintenance Manual and Troubleshooting Guide for your BladeCenter unit. Chapter 10. Symptom-to-FRU index 151
![](/manual_guide/products/ibm-js20-hardware-maintenance-manual-7a4946f/161.png)