Cisco Power system Installation Guide

1Troubleshooting Cisco 3800 Series RoutersOL-5972-01Troubleshooting Cisco 3800 Series RoutersYour Cisco 3800 series integrated services router goes th

Error Messages10Troubleshooting Cisco 3800 Series RoutersOL-5972-01This is an example of the output of the show environment command for a Cisco 3845 r

Error Messages11Troubleshooting Cisco 3800 Series RoutersOL-5972-01Error Message Fan 1|2|3 had a rotation error reported.ExplanationThe specified fan

Jumper Settings12Troubleshooting Cisco 3800 Series RoutersOL-5972-01ErrorMessage System detected thermal warning on SYS PS 1|2. System is close to aut

Recovering a Lost Password13Troubleshooting Cisco 3800 Series RoutersOL-5972-01Note The jumpers are not needed to troubleshoot Cisco IOS problems. If

More Troubleshooting Help14Troubleshooting Cisco 3800 Series RoutersOL-5972-01

Solving Problems2Troubleshooting Cisco 3800 Series RoutersOL-5972-01Solving ProblemsThe key to solving problems is to isolate the problem to a specifi

Solving Problems3Troubleshooting Cisco 3800 Series RoutersOL-5972-01• With the power switch on and the SYS LED steady green, do the fans operate?–If y

Solving Problems4Troubleshooting Cisco 3800 Series RoutersOL-5972-01Troubleshooting Modules, Cables, and ConnectionsNetwork problems can be caused by

LEDs5Troubleshooting Cisco 3800 Series RoutersOL-5972-01• Router powers on and boots only when a particular cable is disconnected.–There may be a prob

LEDs6Troubleshooting Cisco 3800 Series RoutersOL-5972-01Figure 2 Cisco 3825 Rear-Panel LEDsFigure 3 Cisco 3845 Front-Panel LEDs117782ENNMD-ESW-3623x 5

LEDs7Troubleshooting Cisco 3800 Series RoutersOL-5972-01Figure 4 Cisco 3845 Router Rear-Panel LEDsTable 1 Cisco 3800 Series LED IndicatorsLED 3825 384

LEDs8Troubleshooting Cisco 3800 Series RoutersOL-5972-01AUX PWR Front — Off IP phone power off or not present, or power-upnot completedSteady green Pr

The show environment Command9Troubleshooting Cisco 3800 Series RoutersOL-5972-01The show environment CommandThe show environment command can help you