Troubleshooting A Damaged System; Troubleshooting The System Battery; Troubleshooting Power Supplies - Dell EMC PowerEdge R620 Owner's Manual

Troubleshooting a damaged system

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that are shipped with your product.
1 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2 Remove the system cover.
3 Ensure that the following components are properly installed:
• Cooling shroud
• Expansion card risers (if present)
• 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 backplane
4 Ensure that all cables are properly connected.
5 Install the system cover.
6 Run the appropriate diagnostic test. For more information, see
If the tests fail, see Getting

Troubleshooting the system battery

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that are shipped with your product.
NOTE: If the system is turned off for long periods of time (for weeks or months), the NVRAM may lose 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
NOTE: Some software may cause the system time to speed up or slow down. If the system seems to operate normally except for
the time kept in the System Setup, the problem may be caused by software rather than by a defective battery.

Troubleshooting power supplies

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that are shipped with your product.
Help.
Getting help.
Using System Diagnostics.
Troubleshooting your system 99