Allied Telesis AT-CV5000 - Manual (Page 95)

95
Chapter 4
Troubleshooting
This chapter contains information about how to troubleshoot the chassis
and line cards in the event that a problem occurs.
Note
If after following the instructions in this chapter you are unable to
resolve the problem, contact Allied Telesis Technical Support for
assistance. Refer to “Contacting Allied Telesis” on page 16 for
contact information.
LED Interface Card
PS-A or PS-B
LED is OFF
The chassis must have at least one operational power supply, indicated by
the PS-A (power supply A) and PS-B (power supply B) LEDs.
If one of the power supply LEDs is OFF, but the other LED is ON, perform
the following:
ˆ Verify that the power supply in question is completely installed in its
slot.
ˆ Verify that the power switch of the power supply in question is turned
ON.
PS-A or PS-B
LED is Blinking
If one or both of the power supply LEDs are slowly blinking, perform the
following:
ˆ Verify that the ON/OFF power switch for that power supply is turned to
ON.
ˆ Verify that the power cord is secured in the connector.
ˆ Check the fuse or breaker of the circuit that the outlet is on.
FAN-A or FAN-B
LED is OFF
If the fan module LED is OFF, perform the following:
ˆ Verify that the fan module reporting trouble is operational.
ˆ Remove and re-insert the fan module that is reporting trouble.