7-10 Dell PowerEdge 6100/200 System Installation and Troubleshooting GuideFigure 7-8. Removing the Power Supply5. Check that the locking switch on the new powersupply is set to the “standby” position, then slidethe power supply into the chassis.6. Turn the locking knob clockwise until the replace-ment power supply is secured in the chassis.7. Connect the AC power cable to the power supplyand to the power outlet.Make sure that the AC power cable passes throughthe plastic strain-relief clip.8. Turn the locking switch on the power supply tothe “on” position, marked by an “1.”The green online indicator on the power supplyshould light up.Troubleshooting Power CableConnections1. Check the AC power outlet and power cable (see“Checking Connections and Switches” in Chap-ter 2).2. Turn off the system, including any attachedperipherals, and disconnect all the AC powercables from their power sources.3. Remove the computer covers.See “Removing the Computer Covers” earlier in thischapter.4. Check the cable connections listed in Table 7-1..Troubleshooting a Cooling FanThree cooling fans are installed in the Dell Power-Edge 6100 system. If you observe that any of the threeredundant cooling fans is not operating, or the Dell HIPserver-management application program issues a fan-related error message, replace the fan as described in thefollowing subsection.CAUTION: See “Protecting Against Electro-static Discharge” in the safety instructions atthe front of this guide.Table 7-1. Power Cable Connectors on thePower-Supply Paralleling BoardConnector Cable ConnectionPWR1 To PS3 connector on sys-tem boardPWR2 To PS1 or PS2 connectoron system boardPWR3 To PS1 or PS2 connectoron system boardPWRFD To diskette drives andother devices in externaldrive baysPWRSCSI To POWER connectoron SCSI backplane board
