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Chapter 4 Troubleshooting
IP-900 Series
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4.2 Alarm LED Goes On
This section explains corrective action to be taken if an alarm LED (ALM or INDWN) goes on.
The appropriate corrective action depends on the alarm code displayed. See the table below for this
information.
Note: For information on how to check the alarm log, see Section 3.2.10 "Log" in this document.
Table 4-2 Alarm Codes and Corrective Action
Code Corrective action
Lxxx Check the network and partner device. If an error cannot be identified, contact your system
administrator.
Exxx Turn off the device and then turn it on again. If the device is still operating abnormally after being
powered on again, contact your maintenance personnel. Then, he/she may ask the alarm code.
Ixxx This indicates a loss of video input. Check the video output device and video cable connected to the
video input terminal.
xxx: Indicates three alphanumeric characters. See Table 4-3, "Alarm Code List," for details.
4.2