Lenovo 6435, 6438, 6437, 6436 manual Power problems

Page 67

Power problems

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Hardware Maintenance Manual to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom

Action

The power-control button does

1. Make sure that the power-control button is working correctly:

not work, and the reset button

a. Disconnect the server power cords.

does work (the server does not

b. Reconnect the power cords.

start).

Note: The power-control button

c. Press the power-control button.

will not function until 20

d. If the server does not start, disconnect the server power cords and reseat

seconds after the server has

the operator information panel cables; then, repeat steps 1b through 1c. If

been connected to ac power.

the problem remains, replace the operator information panel.

 

2.Make sure that:

v The ac power cord is correctly connected to the server and to a working electrical outlet.

vThe server contains the correct type of DIMMs.

vThe DIMMs are correctly seated.

v(Trained service technician only) The microprocessor is correctly installed.

3.If you just installed an optional device, remove it, and restart the server. If the server now starts, you might have installed more devices than the power supply supports.

4.Reseat the following components:

 

a. DIMMs

 

b. (Trained service technician only) Power-supply cables to all internal

 

 

components

 

c. (Trained service technician only) Power connector on the system board

 

5. Replace the following components one at a time, in the order shown, restarting

 

the server each time:

 

a. DIMMs

 

b. (Trained service technician only) Power supply

 

c. (Trained service technician only) System board

 

6. See “Solving undetermined problems” in the Hardware Maintenance Manual .

 

 

 

The server does not turn off.

1. Determine whether you are using an Advanced Configuration and Power

 

 

Interface (ACPI) or a non-ACPI operating system. If you are using a non-ACPI

 

operating system, complete the following steps:

 

a.

Press Ctrl+Alt+Delete.

 

b. Turn off the server by pressing the power-control button for 5 seconds.

 

c.

Restart the server.

 

d. If the server fails POST and the power-control button does not work,

 

 

disconnect the ac power cord for 20 seconds; then, reconnect the ac power

 

 

cord and restart the server.

 

2. If the problem remains or if you are using an ACPI-aware operating system,

 

suspect the system board.

 

The server unexpectedly shuts Call for service.

down, and the LEDs on the

 

 

operator information panel are

 

 

not lit.

 

 

Chapter 5. Solving problems 53

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Contents Installation Guide Page Installation Guide Page Contents Page Safety Page To Connect To Disconnect Do not Safety Statement Safety Page Introduction Hardware and software requirements Features and specifications Drives Major components of the server Inch models Dimm System board 13 Operator information panel assembly System-board optional-device connectors Page Installation guidelines Installing optional devicesSystem reliability guidelines Working inside the server with the power onRemoving the cover Handling static-sensitive devicesInstalling a memory module Installing a hard disk drive Installing a simple-swap Serial ATA hard disk drive Installing a hot-swap hard disk drive Installing an adapter Expansion-slot cover Page Adapter bracket Installing an IBM Remote Supervisor Adapter II SlimLine Mounting bracket Completing the installation Connecting the cables Installing the coverRear Updating the server configurationFront view Server controls, LEDs, and powerRear view Turning on the server Server power featuresTurning off the server Page Configuring the server Using the ThinkServer EasyStartup program Using ThinkServer EasyManage products Using the LSI Logic Configuration Utility program Using the Configuration/Setup Utility programConfiguring the Gigabit Ethernet controllers Using the baseboard management controllerPage Diagnostic tools overview Solving problemsPost beep codes Documentation DVD Post error codesDefault Settings, and save Maintenance Manual on Abbreviated list of Post error codes Only Replace Abbreviated list of Post error codes Abbreviated list of Post error codes CD or DVD drive problems Troubleshooting tablesPage USB keyboard, mouse, or pointing-device problems Intermittent problemsPage Microprocessor problems Memory problemsMonitor problems Solving problems Optional-device problems Power problems EasyStartup problems Serial-device problemsSoftware problems Video problems Universal Serial Bus USB device problemsAppendix A. Getting help and technical assistance Using the documentationBefore you call Page Purchasing additional services Lenovo product service Using other servicesPage Appendix B. Notices Important notes TrademarksWaste electrical and electronic equipment Weee notices For the European Union Battery return programIndustry Canada Class a emission compliance statement German Ordinance for Work gloss statementEuropean Union EMC Directive conformance statement Avis de conformité à la réglementation dIndustrie CanadaGerman Class a compliance statement Appendix B. Notices Page SAS Sata IndexSAS Index Page Page Part Number 46U0855
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6435, 6436, 6437, 6438 specifications

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