3
VLC Troubleshooting
This chapter covers potential problems and possible remedies. After each problem description, some steps are provided to help you to diagnose and solve the problem.
3.1 The SYS or PWR LED Does Not Turn On
Table 9 SYS LED Troubleshooting
STEPS | CORRECTIVE ACTION |
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1Make sure the power wires are properly connected to the power supply and the power supply is operating normally. Make sure you are using the correct power source (refer to the IES User’s Guide for details).
2Make sure the power wires are connected properly.
3Make sure the line card is properly installed.
4The LED itself or the unit may be faulty; contact your vendor.
3.2The ALM LED Is On
The ALM (alarm) LED lights when the line card is overheated or the voltage readings are outside the tolerance levels.
Table 10 ALM LED Troubleshooting
STEPS | CORRECTIVE ACTION |
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1Use the sys monitor show command to verify the cause of the alarm. See step 2 if the unit is overheated, and step 3 if the voltages are out of the allowed ranges.
2Ensure that the IES is installed in a
3If the voltage levels are outside the allowed range, take a screen shot of the sys monitor show command display and contact your vendor.
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VLC1324G User’s Guide | |
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