3

Troubleshooting

This chapter offers some suggestions to solve problems you might encounter. The potential problems are divided into the following categories.

•Power and LEDs•Data Transmission•Local Server•Management and Configuration

3.1Power and LEDs

The SYS or PWR LED does not turn on.Table 6 SYS LED Troubleshooting
STEPSCORRECTIVE ACTION

 

 

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).

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.The 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 7 ALM LED Troubleshooting

STEPS

CORRECTIVE ACTION

1Use the sys monitor status 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.

 

19

GLC1320G-55 User’s Guide