HP Integrity rx5670 Hardware Installation Guide - HP Integrity rx5670 (A6837B/ - Page 38

Common Installation Problems, The Server Does Not Power On—Power Supply Malfunction

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Troubleshooting Common Installation Problems Common Installation Problems This section contains general procedures to help you locate installation problems. To troubleshoot an installation problem, perform the following checks in the order given: 1. Check all cable and power connections, including those in the rack, etc. 2. Verify all cables and boards are securely plugged into the appropriate connectors or slots. 3. Remove optional components (disk drives and PCI cards) one at a time, checking their affect on the server. 4. Unplug the power cord, wait 20 seconds, plug the power cord in again, and restart the server. The Server Does Not Power On-Power Supply Malfunction Remove the front bezel and check power supply LEDs (on fans across the front-bottom of the unit). Power supply fan LEDs that are illuminated indicate that the associated power supplies are good. (If the fan indicator is not lit, the power supply or fan is malfunctioning.) Other fan indicators are normally off. Use these steps to check for power related problems: 1. Ensure that at least two hot swap power supplies are installed, connected to a power source, and the server power switch is set to on. 2. Check that each hot plug power supply is properly seated. The Server Does Not Power On-Power Supplies OK Remove the front bezel and check power supply LEDs (on fans across the front-bottom of the unit). Power supply fan LEDs that are illuminated indicate that the associated power supplies are good. Power converter fan LEDs (on fans at the rear-bottom of the unit) are illuminated to indicate that the fan or power converter is not functioning. (If the fan indicator is lit, the power converter or fan is malfunctioning.) Server fan LEDs that are illuminated indicate a fan malfunction. Use these steps to check for power related problems: 1. Ensure that at least two hot swap power supplies are installed and connected to a power source. 2. Remove assemblies and inspect chassis and assemblies for debris or damage. The Server Powers On But Then Shuts Down with a Fault Light Remove the front bezel and check power supply LEDS (on fans across the bottom of the unit). Power supply fan LEDs that are illuminated indicate that the supplies are good. Power converter fan LEDs (on fans at the rear-bottom of the unit) are illuminated to indicate that the power converters are not functioning. (If the indicator is lit, the power converter or fan is malfunctioning.) Use these steps to check for power related problems: 1. Check that a conductive item has not been dropped or left inside the server chassis. 2. Check the connections on all boards. 3. Check cables for bent pins. 4. Make sure that the four bus bar screws are tightened down completely on the baseboard. 38 Chapter 3

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Chapter 3
Troubleshooting
Common Installation Problems
38
Common Installation Problems
This section contains general procedures to help you locate installation problems.
To troubleshoot an installation problem, perform the following checks in the order given:
1. Check all cable and power connections, including those in the rack, etc.
2. Verify all cables and boards are securely plugged into the appropriate connectors or slots.
3. Remove optional components (disk drives and PCI cards) one at a time, checking their affect on the
server.
4. Unplug the power cord, wait 20 seconds, plug the power cord in again, and restart the server.
The Server Does Not Power On—Power Supply Malfunction
Remove the front bezel and check power supply LEDs (on fans across the front-bottom of the unit). Power
supply fan LEDs that are illuminated indicate that the associated power supplies are good. (If the fan
indicator is not lit, the power supply or fan is malfunctioning.) Other fan indicators are normally off.
Use these steps to check for power related problems:
1. Ensure that at least two hot swap power supplies are installed, connected to a power source, and the
server power switch is set to on.
2. Check that each hot plug power supply is properly seated.
The Server Does Not Power On—Power Supplies OK
Remove the front bezel and check power supply LEDs (on fans across the front-bottom of the unit). Power
supply fan LEDs that are illuminated indicate that the associated power supplies are good. Power converter
fan LEDs (on fans at the rear-bottom of the unit) are illuminated to indicate that the fan or power converter is
not functioning. (If the fan indicator is lit, the power converter or fan is malfunctioning.) Server fan LEDs
that are illuminated indicate a fan malfunction.
Use these steps to check for power related problems:
1. Ensure that at least two hot swap power supplies are installed and connected to a power source.
2. Remove assemblies and inspect chassis and assemblies for debris or damage.
The Server Powers On But Then Shuts Down with a Fault Light
Remove the front bezel and check power supply LEDS (on fans across the bottom of the unit). Power supply
fan LEDs that are illuminated indicate that the supplies are good. Power converter fan LEDs (on fans at the
rear-bottom of the unit) are illuminated to indicate that the power converters are not functioning. (If the
indicator is lit, the power converter or fan is malfunctioning.)
Use these steps to check for power related problems:
1. Check that a conductive item has not been dropped or left inside the server chassis.
2. Check the connections on all boards.
3. Check cables for bent pins.
4. Make sure that the four bus bar screws are tightened down completely on the baseboard.