Dell PowerEdge R220 Owner's Manual

Also see for PowerEdge R220: Technical guide Technical guide

Contents

Dell PowerEdge R220 Owner's Manual Manual pdf 67 page image

• Expansion cards• Power supply(s)• Cooling-fan assembly (if present)• Cooling fans• Processor(s) and heat sink(s)• Memory modules• Hard-drive carriers• Hard-drive backplane4. Ensure that all cables are properly connected.5. Close the system.6. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.If the tests fail, see Getting Help.Troubleshooting The System BatteryCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.NOTE: If the system is turned off for long periods of time (for weeks or months), the NVRAM maylose its system configuration information. This situation is caused by a defective battery.1. Re-enter the time and date in the System Setup.2. Turn off the system and disconnect it from the electrical outlet for at least one hour.3. Reconnect the system to the electrical outlet and turn on the system.4. Enter the System Setup.If the date and time are not correct in the System Setup, check the SEL for system battery messages.If the problem persists, see Getting Help.NOTE: Some software may cause the system time to speed up or slow down. If the system seemsto operate normally except for the time kept in the System Setup, the problem may be caused bysoftware rather than by a defective battery.Troubleshooting The Power SupplyCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.1. Reseat the power supply by removing and reinstalling it.NOTE: After installing a power supply, allow several seconds for the system to recognize thepower supply and to determine if it is working properly.2. If the problem persists, see Getting Help.67