Troubleshooting Fan Modules; Troubleshooting The Drac/Mc Module - Dell PowerEdge 1855 Installation And Troubleshooting Manual

The power supply's fault indicator is amber if AC power is available. See Figure 2-6.
If no indicators are lit, ensure that AC power is available from the electrical outlet and that the power cable is properly connected to the power supply
module.
2. Install a new power supply. See
NOTE: After installing a new power supply, allow several seconds for the system to recognize the power supply and determine whether it is
working properly. The power supply DC power indicator turns green if the power supply is functioning properly. See Figure 2-6.
3. If the problem is not resolved, see

Troubleshooting Fan Modules

Problem
A fan is not operating properly
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Action
NOTICE: The fan modules are hot-pluggable. Remove and replace only one fan module at a time in a system that is turned on. Operating the system
with a fan module removed for extended periods of time can cause the system to overheat.
1. Locate the faulty fan.
Each fan module has indicators that identify a faulty fan. See Figure 2-7.
2. Reseat the faulty fan. See "Fan
3. If the problem is not resolved, install a new fan. See
4. If the new fan does not operate. see

Troubleshooting the DRAC/MC Module

Problem
DRAC/MC module is not operating properly
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System message indicates a problem with the DRAC/MC module
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DRAC/MC module cable connections
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Action
NOTE: To eliminate the possibility of a hardware problem with the module or its attaching devices, first ensure that the module is properly initialized and
configured. See the Configuration Guide and the documentation that came with the module before performing the following procedure.
1. Reseat the DRAC/MC module and see if the DRAC/MC module fault indictor turns off. See
11 for more information about the module's indicators.
2. If another DRAC/MC module is available, swap the two modules.
3. If the fault indicator is off, but the serial device connected to the serial port is not properly operating, go to
network management device connected to the network interface connector port is not properly operating, go to
4. Ensure that the serial cable is a null modem cable.
5. Reseat the serial cable to the serial connector on the DRAC/MC module and to the serial device.
6. Connect a known-working null-modem serial cable between the DRAC/MC module and the serial device.
"Installing a Power Supply Module" in "Installing System Options."
"Getting Help" for information about obtaining technical assistance.
Modules" in "Installing System Options."
"Fan Modules" in "Installing System Options."
"Getting Help."
"DRAC/MC Module" in "Installing System Options." See
step 4. If the fault indicator is off, but the
step 8.
Figure 2-